@inbook {6391,
	title = {Watching and Wondering},
	booktitle = {Leaders in the Study of Animal Behavior. Autobiographical Perspectives},
	year = {1985},
	pages = {431-463},
	publisher = {Bucknell University Press},
	organization = {Bucknell University Press},
	address = {Lewisburg},
	author = {Tinbergen, Nikolaas},
	editor = {Donald A. Dewsbury}
}
