Enlace original:
https://cgspace.cgiar.org/handle/10568/54291
Freytag, George F.
,
Debouck, Daniel G.
,
[Taxonomy, distribution, and ecology of the genus phaseolus (Leguminosae-papilionoideae) in North America, Mexico and Central America]
,
Taxonomy, distribution, and ecology of the genus phaseolus (Leguminosae-papilionoideae) in North America, Mexico and Central America