@book{144699,
	author = {Gulley, Halbert E.},
	title = {Discussion, conference, and group process},
	publisher = {Holt, Rinehart and Winston},
	year = {[1968]},
	address = {New York,},
	edition = {2d ed.},
	note = {Third ed. (c1977) published under title: Communication and group process.}
}