00911cam a22002774a 4500 13081478 BD-DhUL 20161102155514.0 030204s2006 ii b 001 0 eng 978120329690 DLC DLC DLC BD-DhUL pcc TK5105.5 .D89 2003 004.6 21 SID Singh, Brijendra Data communications and computer networks / Brijendra Singh, 2nd ed. New Delhi : PHI, 2006. xx, 357 p. : ill. ; 24 cm. Includes bibliographical references (p. 399-400) and index. Computer networks. OSI (Computer network standard) Data transmission systems. ddc BK pc16 2003-02-04 to ASCD jf05 2003-02-10 to subj. aa20 2003-02-13 ps09 2004-01-13 1 copy rec'd., to CIP ver.; 119132 119132 0 0 ddc 0 004_600000000000000_SID 0 NFIC 224862 DUL DUL GEN 2016-11-02 Purchased 004.6 SID 451360 2016-11-02 2 2016-11-02 BK 0 0 ddc 0 004_600000000000000_SID 0 NFIC 224864 DUL DUL GEN 2016-11-02 Purchased 004.6 SID 451359 2016-11-02 1 2016-11-02 BK