Graham, G. (1996). Nitrate attenuation beneath two coffee plantations in the Central Valley of Costa Rica. Ontario, Canada.
Chicago Style CitationGraham, Gwyn. Nitrate Attenuation Beneath Two Coffee Plantations in the Central Valley of Costa Rica. Ontario, Canada, 1996.
MLA CitationGraham, Gwyn. Nitrate Attenuation Beneath Two Coffee Plantations in the Central Valley of Costa Rica. Ontario, Canada, 1996.
Warning: These citations may not always be 100% accurate.