Black, Uyless. Computer networks : protocols, standards and interfaces / Uyless Black. - 2nd ed / . - New Delhi : Prentice Hall of India , 1997. - xii,436p. : ill.,figs. ; 24cm . Include index ISBN: 8120310411 Rs. 195.00 Subjects--Index Terms: COMPUTER NETWORKS Dewey Class. No.: 004.65 / BLA/C