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21by Martínez Racines, César Pompilio, Fischer, Albert J., González Tous, Daniel I., Ramírez, Héctor V., Mojica Ortiz, Daniel
Published 1995Journal Article bibliotecaCGIAR -
22by Pantoja Lopez, A, Fischer, Albert J., Correa Victoria, Fernando J., Sanint, Luis Roberto, Ramírez, A., Tascon J, E, García Durán, E.
Published 1997Book bibliotecaCGIAR