@book{50570,
	author = {Lewin, Kurt, and Lewin, Gertrud Weiss,},
	title = {Resolving social conflicts  : },
	publisher = {Harper},
	year = {1948},
	address = {New York : },
	edition = {1st ed.},
	note = {"A publication of the Research Center for Group Dynamics, University of Michigan."}
}