@book{4966,
	author = {Ewald, William R., and American Institute of Planners.},
	title = {Environment and policy;},
	publisher = {Indiana University Press},
	year = {[1968]},
	address = {Bloomington,},
	note = {"Based on papers commissioned for the American Institute of Planners' two-year consultation, Part 2: The Washington Conference, October 1-6, 1967."}
}