@book{50160,
	author = {Konopka, Gisela.},
	title = {Social group work: a helping process /},
	publisher = {Prentice-Hall,},
	year = {c1972.},
	series = {Prentice-Hall sociology series},
	address = {Englewood Cliffs, N.J. :},
	edition = {2d ed.},
	note = {Includes index.}
}