@book{50348,
	author = {Smithsonian Institution.},
	title = {The Fitness of man's environment},
	publisher = {Smithsonian Institution Press},
	year = {[1968]},
	series = {Smithsonian annual},
	address = {Washington},
	note = {"Papers delivered at the Smithsonian Institution annual symposium, February 16-18, 1967."}
}