00608cam a22001454a 4500 0 0 0 1 RIU RIU 2012-09-24 Purchased: Allied Book Company 1578.00 0 621.3821 LEO 2030 2014-05-15 00:00:00 1 2019-02-21 BK Record copy: 5077 5077 0071168400 (pbk) 621.3821 LEO Leon-Garcia, Alberto Indra Widjaja Communication networks fundamental concepts and key architectures Boston McGraw-Hill 2000 xxiii, 867 p. : ill. ; 24 cm. Includes index. Telecommunication systems Computer network architectures Computer networks Layered architectures Network architectures Digital transmission Data link layer Communication Circuits FEAS BK