Szymanski, Robert A. Computers and information systems / Robert A. Szymanski, Donald P. Szymanski, Donna M. Pulschen - Englewood Cliffs, N.J. : Prentice-Hall, 1995 - xxvii, 623 p. : ill. (some col.) ; 26 cm. ISBN: 0024187674 RM126.42 LCCN: 94-016833 Subjects--Topical Terms: ComputersComputer software