00000nam a2200000 a 4500 20251203092017.0 8120310411 004.62BLA _ Black, Uyless Computer networks protocols, standards and interfaces New Delhi Prentice-Hall of India 1997 xii,436p. 20cm. PB includes index Communication interfacing-Protocol ENGLISH 004.65 BOOK MGMT 87689 LIBSC C 60765 60765 0 0 0 0 PU PU 1998-08-03 0 004.62BLA _ 87689 BK