00000nam a2200000 a 4500 20251203110648.0 0070595011 621.3821 LEO Leon-Garcia, Alberto Widjaja, Indra Communication networks Fundamental concepts and key architectures 2nd ed. New Delhi Tata McGraw-Hill Education (India) 2004 xxvii,900p. 22cm PB McGraw-Hill series in computer science Telecommunication systems Computer networks Computer network architectures _ 116225 LIBSC C 98118 98118 0 0 0 0 PU PU 2005-11-22 260.00 0 621.3821 LEO 116225 BK