@book{100013,
	author = {Congreso Nacional Agronómico ( and Nieto Ángel, Raúl},
	title = {Octavo congreso nacional agronómico, 27 y 28 de abril [Disco compacto]},
	publisher = {UACH. Departamento de Fitotecnia,},
	year = {2005},
	address = {Chapingo, Méx. :}
}