@book{25361,
	author = {Collias, Nicholas E. and Collias, Elsie C.},
	title = {Evolution of nest-building in the weaverbirds (Ploceidae) /},
	publisher = {University of California Press,},
	year = {c1964.},
	series = {University of California publications in zoology,},
	address = {Berkeley :}
}