Mott, T.H. Artandi, S. Struminger, L. Introduction to PL/I programming for library and information science - Academic Press New York 1972 - 231p - PL/I Programming Nat. Bib. No.: 2128 Nat. Bib. Agency Control No.: 02:681.3MOT Subjects--Topical Terms: Library Science Universal Decimal Class. No.: 02:681.3 1