TY - BK AU - Nabhan,G.P. TI - Wild phaseolus ecogeography in The Sierra Madre Occidental, Mexico: Areographic techniques for targeting and conserving species diversity T2 - IBPGR Systematic and Ecogeographic Studies on Crop Genepools SN - 92-9043-198-9 PY - 1990/// CY - Rome (Italy) PB - IBPGR, KW - Case studies KW - Methods KW - Nature conservation KW - Phaseolus vulgaris KW - Resource conservation KW - Genetic resources KW - AGROVOC N1 - Tables, graphs, maps, references p. 33-35 ER -