@book{7271,
	title = {The human group},
	publisher = {Harcourt, Brace, Jovanovich},
	year = {cop. 1950. },
	address = {San Diego ;},
	url = {http://firstsearch.oclc.org/WebZ/DECRead?standardNoType=1&standardNo=0155403753&sessionid=0&srcdbname=worldcat&key=2ec57cad4a9f3ed834f47a9c548602193fa26f3ae6f458af6c3f3ac7ec10810b&ectype=M OREINFO}
}