@book{39769,
	author = {National Congress on Optimum Population and Environment and Hinrichs, Noël and Council on Population and Environment.},
	title = {Population, environment, and people.},
	publisher = {McGraw-Hill},
	year = {[1971]},
	address = {New York},
	note = {Selected papers of the first National Congress on Optimum Population and Environment, held June, 1970, in Chicago.}
}