@book{277,
	author = {Beck, Stanley D.},
	title = {Animal photoperiodism; relationship of daylength to animal growth, development, and behavior.},
	publisher = {Holt, Rinehart and Winston},
	year = {[1963]},
	series = {Holt library of science. Series 1 [no.] 1},
	address = {New York,}
}