Nance, Barry. Introduction to networking / Barry Nance. - 4th ed / . - New Delhi : Prentice Hall of India , 1998. - xii,383p. : ill.,figs. ; 24cm Include CD . NULL ISBN: 8120313860 Rs. 175.00 Subjects--Index Terms: COMPUTER NETWORK Dewey Class. No.: 004.65 / NAN/I