Comer, Douglas E. Computer networks and internets Douglas E. Comer - 2nd ed. - Upper Saddle River, New .Jersey. : Prentice-Hall International Ltd., c1999. - xxiii, 583 p. : ill. ; 24 cm. Includes Index ISBN: 0130842222 Subjects--Topical Terms: --MIS, Computer Dewey Class. No.: 004.6 COM