Leon-Garcia, Alberto Communication networks : fundamental concepts and key architectures / Albert Leon-Garcia and Indra Widjaja - 2nd - India Tata McGraw-Hill 2004 - 900 p. Tata McGraw-Hill series in computer science ISBN: 9780070595019 Subjects--Topical Terms: Computer network architectures.Computer networks.Telecommunication systems. Dewey Class. No.: 621.3821 LEO-A