TY - BOOK AU - FOROUZAN B.A. TI - DATA COMMUNICATIONS AND NETWORKING 4TH ED SN - 0-07-0663414-9 U1 - 004.6 PB - TATA MC GRAW HILL PUB.CO.LTD., NEW DELHI-110 008 KW - DATA COMMUNICATION (T.E.) N1 - 12526 ER -