@book{82632,
	author = {Santes González, Eusebio.},
	title = {Habilidad competitiva de seis genotipos de frijol (Phaseolus vulgaris L.) contra la maleza en Chapingo, México},
	publisher = {El autor,},
	year = {2000.},
	address = {Chapingo, Méx. :}
}