@book{31316,
	author = {Hegener, Karen C (Ed.)},
	title = {Peterson's annual guides to graduate to study},
	publisher = {Princeton, },
	year = {1975},
	address = {New Jersey: },
	note = {Vol. 2 (Humanities and social sciences)
Vol. 3 (Biological and health science)
Vol. 4 (Physical science)
Vol. 5 (Engineering and applied science)}
}