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2by Stonaker, Howard H., Salazar, Jairo, Bushman, D.H., Gómez, J., Villar Cuéllar, Jaime, Osorio, Gustavo
Published 1975Conference Paper bibliotecaCGIAR -
3by Stonaker, Howard H., Gómez Soler, Juvenal, Bushman, D.H., Moncada, H., Salazar, Jairo, Salazar, Juan
Published 1976Journal Article bibliotecaCGIAR