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1by 90121 Manzanilla, H., 118402 Shaw, D., 40612 Aguirre Bravo, C., 79578 Iglesias Gutiérrez, L., 75876 Hamre, R.H. Tech. coords., 6784 Deparment of Agriculture, Fort Collins, Colo. (EUA). Forest Service. Rocky Mountain Forest and Range Experiment Station, 4. México/U.S. Symposium. 4. Simposium México/EUA Santa Fé, Nuevo México (México) 19-23 Abr 1993
Published 1993bibliotecaIICA