Constenla Umaña, M. A., Riley, D., Kennedy, S. H., Rojas Sánchez, C. E., Mora Alfaro, L. E., & Stevens, J. E. B. (1990). Paraquat Behavior in Costa Rican Soils and Residues in Coffee.
Παραπομπή Chicago StyleConstenla Umaña, Manuel Arturo, Dave Riley, Steve H. Kennedy, Carlos Enrique Rojas Sánchez, Luis Enrique Mora Alfaro, και John E. B. Stevens. Paraquat Behavior in Costa Rican Soils and Residues in Coffee. 1990.
Παραπομπή MLAConstenla Umaña, Manuel Arturo, et al. Paraquat Behavior in Costa Rican Soils and Residues in Coffee. 1990.
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