@book{52780,
	author = {Rose Chaffin, William Edwin.},
	title = {Biología y ecología del descortezador del pino. Dendroctonus valens Lec. (Coleoptera : Scolytidae)},
	publisher = {El autor,},
	year = {1964},
	address = {Chapingo, Méx. :}
}