@book{51400,
	author = {Young, Pauline Vislick and Schmid, Calvin Fisher},
	title = {Scientific social surveys and research},
	publisher = {Prentice-Hall},
	year = {1956.},
	series = {Prentice-Hall sociology series},
	address = {Englewood Cliffs, N.J.},
	edition = {3. ed.},
	note = {920611}
}