@book{197471,
	author = {Smithsonian Institution (washington, Us)},
	title = {The quality of man's environment},
	publisher = {Smithsonian Institution},
	year = {1968},
	address = {Washington},
	note = {Forewod H. H. Humphrey; papers delivered at the Smithsonian Institution annual symposium, february 16-18, 1967}
}