@book{1972,
	title = {Rural development: research priorities.},
	publisher = {Iowa State University Press},
	year = {1973 },
	address = {Ames},
	edition = {[1st ed},
	note = {"A collection of papers presented during a symposium (Developing  research priorities on the problems of rural development) Zion, Illinois, May 9-11, 1972; sponsored by the North Central Regional Center for Rural Development, the North Central Regi }
}