00469pamaa2200157 4500 0000016050 20080414090000.0 0071126708 025.52 KAT Z711 KAT 1992 Katz Introduction to reference work volume II : reference services and reference processes William A. Katz. 6th ed. New York: McGraw Hill, 1992. xvii, 255p.: 23cm. Reference services (Libraries)