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Pytlinski GT, Straub M. Research Solar Ponds: Design and Instrumentation. In: 6th Miami International Conferece on Alternative Energy Sources, December 12-14, 1983. Miami Beach, Florida, U.S.A.: CEER; 1983.
Pytlinski GT. International Standards in Solar Thermal Energy: The US Contribution.; 1987.
Pytlinski GT. Solar Ponds: Research, Applications and Development. In: 5th Miami International Conferece on Alternative Energy Sources, December 13-15, 1982. Miami Beach, Florida, U.S.A.: CEER; 1982.
Pytlinski GT. Photovoltaic Cell Technologies. In: 8th Inter-American Conference on Materials Technology, June 25-30, 1984. San Juan, Puerto Rico: CEER; 1984.
Pytlinski GT, Soderstrom K. Assessment of Solar Energy as an Alternative Energy Source for the Republic of Panamá.; 1982.
Pytlinski GT. Theoretical Aspects of Photovoltaic Cell Operation. In: 7th Miami International Conference on Alternative Energy Sources, December 9-11, 1985. Miami Beach, Florida, U.S.A.: CEER; 1985.
Pytlinski GT. Variable GEometry Barrieus Wind Machine.; 1983.
Pytlinski GT. Solar Enery Thermal Applications. In: U.S.-Spain Symposium on Renewable Energy Sources , May 18-23, 1988. Madrid, Spain: CEER; 1986.
Pytlinski GT. Tropical Window Solar Water Heater.; 1983.
Pytlinski GT. Energy Storage in Aquifers for Heating and Cooling Application.; 1987.
Pytlinski GT. Solar Ponds: Research, Applications and Development.; 1982.
Pumarada LF. Breve historia de las obras de ingeniería de Puerto Rico, (publicado en 1982).; 1980.
Prospero J., Mayol-Bracero O.. Understanding the Transport and Impact of African Dust. Bulletin American Meteorological Society. 2013.
Prospero J., Mayol-Bracero O.. Improving our understanding of African dust transport using the Caribbean Basin as the receptor.; 2012.
PRNC. Técnicas de Radiosotopos Manual de Conferencia (Capítulos I al X).; 1961.
PRNC. Puerto Rico Nuclear Center Annual Report: July 1, 1975- September 30, 1976.; 1977.
PRNC. Technical Assistance Program in Food Preservation by Radiation for Instituto Centroamericano de Investigación y Tecnología Industrial (ICAITI) : Final Report.; 1970.
PRNC. Progress Report. Sugarcane Borer Project.; 1965.
PRNC. Aguirre Environmental Studies Jobos Bay, Puerto Rico: Final Report. June 1975 Volume I.; 1975.
PRNC. Preliminary proposal for participation in program of technical cooperation. Organization of American States.; 1967.
PRNC. Distribution of radio active antimony formed by neutron capture in Antimony compounds.; 1963.
PRNC. Programas de Adiestramiento y Estudios.; 1972.
PRNC. Operating Limits for the PRNC Pool Type Research Reactor.; 1965.
PRNC. Report Number 2: Evaluation of health hazards due to uninentional irradiation of the gonads during routine abdominal x-ray examination of male and female patients in puerto rico.; 1970.
PRNC. Historical Documents 1956 - 1957.; 1959.
PRNC. Project Proposal and Authorization Program RX.; 1976.
PRNC. Progress Reports.; 1963.
PRNC. Staff Curriculum Vitae. US AEC Program Review.; 1973.
PRNC. Cause in Tissue Culture and Radioisotopic of Cellular and Subcellular Level Laboratory excercises.; 1966.
PRNC. Environmental Studies of the Proposed North Coast Nuclear Plant Unit No. 1 Site. Final Report. Volume II.; 1975.
PRNC. Research and Training (October 2, 1957 - December 31, 1963).; 1965.
PRNC. Project Proposal and Authorization Research Programs.; 1976.
PRNC. Safeguards Summary Report for the Triga-Flip Reactor at the Puerto Rico Nuclear Center, Mayaguez Contract No. a (40-1) 3856.; 1969.
PRNC. Program and Abstracts for the U.S. Atomic Energy Comision of Biology and Medicine Bio-Medical Program Director Meeting San Juan, Puerto Rico February 8-9, 1965.; 1965.
PRNC. Annual Report January 1974- June 1975.; 1975.
PRNC. Program Abstracts.; 1967.
PRNC. Técnicas de Radiosotopos Manual de Conferencia Vol. II.; 1961.
PRNC. Staff Resumes.; 1977.
PRNC. Tissue Culture and Radioisotopes techniques at Cellular and Subcellular level. Program and laboratory exercise manual.; 1970.
PRNC. Progress Report Marine Biology Program.; 1965.
PRNC. Annual Report.; 1967.
Pringle C., Small G., Bixby B., Ramírez A., Duff J., Ardón M., et al. Climate-driven acidification in lowland Neotropical streams: Insights from a 25-year dataset on ground water - surface water interactions. Minneapolis, MN; 2013.
Pringle C., Snyder M., Ramírez A., Triska F., Duff J., Jackman A., et al. Rainfall-driven amplification of seasonal acidification in poorly buffered tropical streams. Ecosystems. 2012;15:974-985.
Price M, Thurston J, G de Castro L, Cruz LL, de Caro Zimmerman D. The Release of Cadium, Chronium, Copper, Nickel and Zinc by Sewage Sludge an the Subsequent Uptake by Members of a Turtle Grass (Thalassia Testudinum) Ecosystems.; 1977.
Pöschl U., Després V., Andreae M., Conrad R., Begerow D., Artaxo P., et al. Biogeography in the air: fungal diversity over land and oceans. Biogeosciences. 2012;9:1125-1136.
Potter J., McDowell WH, Daley M., Helton A.. Incorporating urban infrastructure into biogeochemical assessment of urban tropical streams in Puerto RIco. Biogeochemistry. 2014.
Poorter L., van der Sande M., Thompson J., Arets E., Alarcón A., Álvarez-Sánchez J., et al. Diversity enhances carbon storage in tropical forests. Global Ecology and Biogeography. 2015;24(11):1314-1328.
Pons G., Vhristen C., Leimgruber P., Quiñones M., O. R, Calle P., et al. Spatial distribution, connectivity, and the influence of scale: habitat availability for the endangered Mona Island rock iguana. Biodiversity and Conservation. 2009;18:905-917.
Pino J, Vilá M, Seguí JM, Guerrero C. Niche breadth rather than reproductive traits explains the response of wetland monocotyledons to land-cover change. Applied Vegetation Science. 2009;12(1):119-130.
Pesante D. A Study of the Plankton in Laguna Joyuda a Tropical Lagoon on the West Coast of Puerto Rico (MS Thesis).; 1978.
Perotto H.. USDA project workshop: Research presentation and Opportunities for Research Collaborations with the Cranfield University, UK. Rio Piedras: University of Puerto Rico; 2011.
Perotto H.. USDA project workshop: Geospatial analysis on Landscape Ecology. Rio Piedras: University of Puerto Rico; 2011.
Pérez-Villalona H., Cornwell J., Cuevas E., Ortíz-Zayas J.. Sediment Denitrification and Nutrient Fluxes in the San José Lagoon, a Tropical Lagoon in the Highly Urbanized San Juan Bay Estuary, Puerto Rico. Estuaries and Coasts. 2015.
Pérez-Pérez ME. The “Selfie” in the Caribbean: Analysis of Baker’s hypothesis in the Gesneriaceae family.; 2014.
Pérez-Pérez ME, López-Medina G. Listado preliminar de los musgos (Briophyta) y hepáticas (Marchantiophyta) del departamento de Alta Verapaz, Guatemala. Revista Guatemalensis. 2012;15.
Pérez-Pérez ME. Cambios en la composición, abundancia y distribución espacial de la vegetación vascular herbácea de la sierra de los Cuchumatanes y de la Península Antártica y posibles relaciones con el cambio climático. Guatemala; 2013.
Pérez-Pérez ME. Adaptation or extinction: effects of climate change on biodiversity, ecosystem services, and human communities.; 2014.
Pérez-Pérez ME, Bas J., Diaz L., Roberson L.. Carbohydrate, Fat, Protein and Metal Analysis in Cultured Gracilaria. San Juan, PR: UPR Río Piedras; 2014.
Pérez-Pérez ME, Sastre-DeJesús I, Lugo AE, Abelleira-Martínez O. Bryophyte Species Diversity in Secondary Forest Dominated by the Introduced Species Spathodea campanulata Beauv. in Puerto Rico. Biotropica. 2012;44:763-770.
Pérez-Pérez ME. Implementation of Brahms database in the USCG Herbarium. Puerto Rico; 2012.
Pérez-Pérez ME. Breeding system and pollination of Gesneria pauciflora urb. (Gesneriaceae): An endemic and threatened species of the Caribbean. In: XVII Symposium of the Department of Natural Resources: The threatened and endangered species in Puerto Rico. Puerto Rico; 2013.
Pérez-Pérez ME, Melendez-Ackerman EJ. Rediscovering Eugenia fajardensis: Building a research infrastructure for a rare and possibly endangered species. Sacramento, CA; 2014.
Pérez-Pérez ME, Rodas. R., Vega. J., Reyes. E.. La colección del Herbario USCG. Ciencia y Conservación. 2012;2:30-41.
Pérez-Pérez ME, Bas J., Diaz L., Roberson L.. Studying the potential of heavy metals and organic pollutants in oysters and algae from the San Juan Bay Estuary. San Juan, PR: Hotel El Convento; 2014.
Pérez-Pérez ME. Tropical Ecosystem Restoration Graduate Course. Guatemala; 2012.
Pérez-Pérez ME. The Río Piedras Campus Pond: an underused ecosystem service. In: 2nd. Graduate Research Student Congress. San Juan, Puerto Rico; 2013.
Pérez-Pérez ME, Melendez-Ackerman EJ. Breeding system and pollination of Gesneria pauciflora a threatened caribbean species: Brief island reproductive syndrome analysis in Gesneriaceae species.; 2014.
Pérez-Pérez ME, López-Medina G.. Listado preliminar de los musgos (Briophyta) y hepáticas (Marchantiophyta) del departamento de Alta Verapaz, Guatemala. Revista Guatemalensis. 2012;15.
Pérez-Pérez ME, Bas J., Diaz L., Roberson L.. Studying the potential for bioaccumulation of heavy metals and organic pollutants in oysters and algae from the San Juan Bay Estuary. Honolulu, HI; 2014.
Pérez-Pérez ME. Breeding system and pollination of Gesneria pauciflora a threatened caribbean species: brief island reproductive syndrome analysis in Gesneriaceae species.; 2014.
Pérez-Pérez ME, Melendez-Ackerman EJ. Breeding system and pollination of Gesneria pauciflora urb. (Gesneriaceae): An endemic and threatened species of the Caribbean. New Orleans, U.S.; 2013.
Pérez-Pérez ME. Restoring the Pine-Oak Ecosystem in Guatemala. Guatemala; 2012.
Pérez-Pérez ME. Breeding system and pollination of Gesneria pauciflora urb. (Gesneriaceae): An endemic and threatened species of the Caribbean. In: Botanical Society of America, annual meeting. New Orleans, USA; 2013.
Pérez-Pérez ME, Rodas R, Vega JJ, Reyes E. La colección del Herbario USCG. Ciencia y Conservación. 2012;2:30-41.
Pérez-Pérez ME. Cambios en la composición, abundancia y distribución espacial de la vegetación vascular herbácea de la sierra de los Cuchumatanes y de la Península Antártica y posibles relaciones con el cambio climático. Guatemala; 2014.
Pérez X., Diaz L., Roberson L.. Spatial and temporal distribution of contaminants in the San Juan Bay Estuary, PR. Honolulu, HI; 2014.
Pérez X., Diaz L., Roberson L.. Spatial and temporal distribution of emerging contaminants in the San Juan Bay Estuary, Puerto Rico (presented by X. Perez). San Juan, PR: Club Náutico de San Juan; 2014.
Pérez X., Roberson L.. Contaminants of emerging concern in the San Juan Bay Estuary System. San Juan, PR; 2012.
Pérez X., Diaz L., Roberson L.. Presence and distribution of emerging contaminants in the San Juan Bay Estuary, PR (presented by X. Perez). New Orleans, LA; 2013.
Pérez X., Diaz L., Roberson L.. Contaminants of emerging concern in the San Juan Bay Estuary System. New Jersey; 2012.
Pérez X., Diaz L., Roberson L.. Spatial and temporal distribution of emerging contaminants in the San Juan Bay Estuary, Puerto Rico. Rincon, PR; 2014.
Peña-Chocarro M., Knapp S., Brokaw N., Bonilla N., de MacVen A., Ortiz J., et al. Árboles del Mundo Maya. Madrid: UVA Impresores S.A.; 2011.
Pelegrina D. El efecto de la luz y la salinidad en la rotación del Propaguloo de Phizophora Mangle.; 1979.
Pedersen KB. Development of Prediction Equations for Cratering from Models.; 1969.
Pearson R., Dudgeon D., Ramírez A., Boyero L.. Are tropical streams really different? . Journal of the North American Benthological Society. 2009;28(2):397-403.
Pau S, Wolkovich EM, Cook BI, Nytch CJ, Regetz J, Zimmerman JK, et al. Scale-dependent relationships between tree species richness and ecosystem function in forests. Nature Climate Change. 2013;3(9):838-842.
Pau S, Wolkovich EM, Cook BI, Nytch CJ, Regetz J, Zimmerman JK, et al. Clouds and temperature drive dynamic changes in tropical flower production. Nature Climate Change. 2013;3(9):838-842.
Parrish JD. Punta Higuero Environmental Studies, Supplementary Report.; 1975.
Parés-Ramos IK, Alvarez-Berríos NL, Aide TM. Mapping Urbanization Dynamics in Major Cities of Colombia, Ecuador, Per, and Bolivia Using Night-Time Satellite Imagery. Land. 2013;2(1):37-59.
Parés-Ramos I., Alvarez-Berríos NL, Aide TM. Mapping Urbanization Dynamics in Major Cities of Colombia, Ecuador, Peru, and Bolivia Using Night-Time Satellite Imagery. Land. 2013;2(1):37-59.
Panelist I. Infraestructura verde en la ciudad y sus servicios ecosistemicos. School of Architecture, Polytechnic University; 2015.
Pagán J., Valdez F., Beach T., Luzzadder-Beach S., Walling S., Cortes-Rincon M., et al. Environmental Heterogeneity Underlies the Maya Forest. Chicago, Illinois; 2015.
Pagán J., Valdez F., Beach T., Luzzadder-Beach S., Walling S., Cortes-Rincon M., et al. Research Needs in the Maya Forest. Chicago, Illinois; 2015.
Padró P, Ramírez C, Soto-Santiago FJ, Gutiérrez I. Introducción a los Desperdicios Sólidos, Unidad 2: Composición y Generación de los Desperdicios Sólidos, Nivel Secundario. Center for Science and Math Education Research-University of Puerto Rico, Río Piedras Campus. 2012;80.
Padró P., Ramírez C., Soto-Santiago FJ, Gutiérrez I.. Introducción a los Desperdicios Sólidos, Unidad 2: Composición y Generación de los Desperdicios Sólidos, Nivel Secundario. Rio Piedras: University of Puerto Rico, Río Piedras Campus; 2012.
Padró P, Ramírez C, Soto-Santiago FJ, Gutiérrez I. Introducción a los Desperdicios Sólidos, Unidad 1: Composición y Generación de los Desperdicios Sólidos, Nivel Secundario. Center for Science and Math Education Research-University of Puerto Rico, Río Piedras Campus. 2012;80.