@book{20977,
	author = {Cohen, Arthur M. and ERIC Clearinghouse for Junior Colleges.},
	title = {A constant variable},
	publisher = {Jossey-Bass},
	year = {1971.},
	series = {The Jossey-Bass series in higher education},
	address = {San Francisco},
	note = {"A publication of the ERIC Clearinghouse for Junior Colleges."}
}