00000cam a22000004a 4500 UP-1685523046125014553 Buklod 20230503092606.0 a r |||| u| ta 991231s1994 xx r |||| u|eng|| 1563081806 (iLib)UPMNL-00000011484 Z7401 H87 1994 Hurt, Charlie Deuel. Information sources in science and technology C.D. Hurt. 2nd ed. Englewood, CO Libraries Unlimited 1994 xiii, 412 p. 24 cm. Library science text series Reference books Science Bibliography. Reference books Technology Bibliography. Science Bibliography. Technology Bibliography. UPMNL UPMNL-MAIN Z7401 H87 1994 Book