@book{39717,
	author = {Ewald, William R. and American Institute of Planners.},
	title = {Environment and change},
	publisher = {Indiana University Press},
	year = {[1968]},
	address = {Bloomington},
	note = {"Based on papers commissioned for the American Institute of Planners' two-year consultation, Part 1: Optimum environment with man as the measure, Portland, Oregon, August 14-18, 1966."}
}