@book{5779,
	author = {Lichfield, Nathaniel. and Kettle, Peter B.,},
	title = {Evaluation in the planning process /},
	publisher = {Pergamon Press,},
	year = {1975.},
	series = {Pergamon international library of science, technology, engineering, and social studies.},
	address = {Oxford ;},
	edition = {1st ed.}
}