@book{4187,
	author = {Guzmán Plazola, Remigio Anastacio. and Ferrara-Cerrato, Ronald.},
	title = {La endomicorriza vesículo-arbuscular en las leguminosas},
	publisher = {Colegio de Postgraduados,},
	year = {1990},
	address = {Montecillo, Méx. :}
}