@book{75809,
	author = {Castillo Martínez, Roberta. and Calix de Dios, Héctor. and UACH.},
	title = {Guía técnica para el cultivo de pitahaya},
	publisher = {Universidad de Quintana Roo,},
	year = {1996.},
	address = {Chetumal, Q.R. :}
}