TY - BOOK AU - Nabhan,Gary Paul TI - Wild phaseolus ecogeography in the sierra madre occidental,Mexico;Areographic techniques for targeting and conserving species diversity SN - 9290431989 AV - QH 541.5 .N33 1990 PY - 1990/// CY - Rome PB - IBPGR KW - Ecogeographic ---surveys ER -