Diagnóstico preliminar de los niveles de emisión de amoníaco y sulfuro de hidrógeno en distintas modalidades de producción en granjas avícolas en Costa Rica by Jorge Herrera, José F. Rojas, Asdrúbal Bolaños

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Preliminary assessment of the emission levels of ammonia and hydrogen sulfide in different production modalities in poultry farms in Costa Rica by Jorge Herrera, José F. Rojas, Asdrúbal Bolaños

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Chemical composition of total deposition samples collected in the metropolitan area of ​Costa Rica in 2012 by Jorge Herrera, José F. Rojas, Víctor H. Beita, María Chaves

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Temporal and spatial variation in the quality of surface water in the subwatershed of the Virilla river (Costa Rica) between 2006 and 2010 by Jorge Herrera, Susana Rodríguez, José F. Rojas, Éricka Rojas, María Chaves

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Variación temporal y espacial de la calidad de las aguas superficiales en la subcuenca del río Virilla (Costa Rica) entre 2006 y 2010 by Jorge Herrera, Susana Rodríguez, José F. Rojas, Éricka Herrera, María Chaves

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Determination of methane emissions in three hydroelectric dams in Costa Rica by Jorge Herrera, José F. Rojas, Susana Rodríguez, Antonieta Rojas, Víctor H. Beita

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Use of pasive samplers to determine nitrogen dioxide en two municipalities in the metropolitan area of Costa Rica in 2004-2013 by Jorge Herrera, Susana Rodríguez, Éricka Herrera, José F. Rojas, Víctor H. Beita, David Solórzano

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Concentration and chemical composition of PM10 particles in the metropolitan area of ​Costa Rica in 2012 by Jorge Herrera, José F. Rojas, Víctor H. Beita, Agustín Rodríguez, David Solórzano, Hazel Argüello

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Comparison of the chemical composition of PM10 and PM2.5 particles collected in urban environments and volcanic areas of metropolitan Costa Rica by Jorge Herrera, José F. Rojas, María Martínez, Geoffroy Avard, Martín De Moore, Wendy Sáenz, Víctor H. Beita, Agustín Rodríguez, Alejandro Agüero

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