@book{52782,
	author = {Rose Chaffin, William Edwin.},
	title = {The biology and ecology of Dendroctonus valens Lex.; and the biology, ecology and control of Dendroctonus frontalis (=Mexicanus) Zim In Central Mexico},
	publisher = {The Author,},
	year = {1966},
	address = {(s.l.) :},
	note = {Thesis (Doctor of Philosophy) -- University of Massachusetts. Graduate School.}
}