00487 a2200181 4500 0201565331 004.65 SCH 828 926 Schafer, Werner Systems network architecture England Addison - Wesley 1992 1992 viii,222p. 24cm Computer science Interfacing and communications Communications network architecture Meulen, Helmut an de SR 30007 30007 0 0 0 0 SRC MAIN MAIN REF 2008-07-11 0 004.65SCH 5429 2017-08-24 00:00:00 0.00 2016-10-31 SR