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1
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2Digital revistaUNAL
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3by Trujillo C., Jorge, Rey Rodríguez, Rosalba, González Ramírez, María Carmenza, Useche L., Carlos
Published 1991bibliotecaMINCIENCIAS CO -
4by Vroh Bi, I., McMullen, M., Schultz, L., Duru, N., Schroeder, S., Sánchez Villeda, H., Polacco, M., Gardiner, J., Useche, L., Coe, E.
Published 2003Conference Paper bibliotecaCGIAR