Szymanski, Robert A. Computer and information systems / Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen. - Englewood Cliffs, N. J. : Prentice Hall, c1995. - xxvii, 623p. : col. ill. ; 25 cm. Glossary : p. G577 - G604. Includes index. ISBN: 0024187674 Subjects--Topical Terms: ComputersComputer software LC Class. No.: QA76.5 / Sz9 1995