Nabhan, Gary Paul. <br/><br/>
Wild phaseolus ecogeography in the Sierra Madre Occidental, México  : areographic techniques for targeting and conserving species diversity 

 - Rome :  IBPGR,  1990 
 - 35 p.  : ilus. ; gráfs 
 - Systematic and ecogeographic studies on crop genepools  ; 5 .
 - Systematic and ecogeographic studies on crop genepools  ; 5 .
<br/><br/><label>LCCN: </label>9785 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitogeografía.<br/>Frijol--Germoplasma.<br/>Frijol--México.