@book{88926,
	author = {Valoración de Tecnología Agrícola Fitotecnia 2002 ( and Ayala Sánchez, C.},
	title = {Memoria de resúmenes ampliados},
	publisher = {UACH. Departamento de Fitotecnia,},
	year = {2002.},
	address = {Chapingo, Méx. :}
}