@book{21028,
	author = {Cibrian Tovar, David. and Ebel, Bernard H. and E.U.A. Southeastern Forest Experiment Station.},
	title = {Insectos de conos y semillas de las coníferas de México},
	publisher = {Estación Experimental Forestal del Sureste,},
	year = {1986},
	address = {Asheville, Carolina N.C. :}
}