@book{1594,
	author = {Festinger, Leon, and Katz, Daniel,},
	title = {Research methods in the behavioral sciences /},
	publisher = {Dryden Press,},
	year = {c 1953},
	series = {The Dryden Press publication in interpersonal relations},
	address = {New York ;},
	note = {Includes Index.}
}