00000cam a22000003a 4500 UP-8027390931313822751 Buklod 20101011130113.0 m |o d | ta 101011s1978 xx d r |||| u| 0070333319 (v.2) (iLib)UPVIS-00018190023 jcs 10-11-10 eng Z 711 K32 1978 V.1 Katz, William A. Introduction to reference work V.1 - Basic information sources William A. Katz. 3rd ed. New York McGraw-Hill Book Company 1978. 367 p Technical section Reference services (Libraries) Reference books. UPVIS UPV-ML Z 711 K32 1978 V.1 Book