00505nam a22001457a 4500 20120215151531.0 812032563X 175.00 B-126709 interworking infrastructure and operations / New Delhi PHI 2004 viii,198p. 23cms Hutnik, Stephen 42168 ddc EN 005.754 INT 62914 62914 0 0 0 0 NFIC ZLS ZLS 2012-02-15 175.00 2 005.754 INT B-126709 2018-08-16 00:00:00 2018-08-02 175.00 2012-02-15 EN