Forouzan Behrouz A Data communications and networking. Forouzan Behrouz A; Fegan Sophia Chung - 4 - New Delhi Tata McGraw Hill 2007 - xxxiv,1134p. cm. ISBN: 900 Standard No.: 110409 Source: 208, 06/01/2011, Pioneer Book Distributors Textual Subjects--Topical Terms: I I C Dewey Class. No.: D6,8(B),4, P7