@book{22033,
	author = {Cobben, P. H.},
	title = {Evolutionary trends in heteroptera},
	publisher = {Veenman & Zonen,},
	year = {1968-},
	series = {Mededelingen Landbouwhogeschool},
	address = {Wageningen :},
	note = {La biblioteca tiene: v.2 Mouthpart-structures and feeding strategies}
}