@book{83931,
	author = {Castro Samayoa, Carlos Alfredo.},
	title = {Herbicidas pre-emergentes para el control de malezas en el cultivo de soya (Glycine max. (L.) Merrill) en Tapachula, Chiapas},
	publisher = {El autor,},
	year = {2000.},
	address = {Huehuetan, Chis. :}
}