@book{345,
	author = {Katz, W. A.},
	title = {Introduction to reference work},
	publisher = {McGraw-Hill},
	year = {1969},
	series = {McGraw-Hill series in library education},
	address = {New York},
	note = {Lib has :- v.1- Basic information sources. xi, 376p. Index, Appendix ; v.2- Reference services. xi,254p. Index}
}