00454 a2200157 4500 33124 33124 WUSLLib 201013b ||||| |||| 00| 0 eng d 8120307135 621.3821 VIS Viswanathan, Thiagarajan 20527 Telecommunication switching systems and networks New Delhi: Printice hall, 1992 xx, 583p.; 24cm. Communications engineering 9732 SR ddc 0 0 0 0 SRC MAIN MAIN REF 2008-08-21 0 621.3821VIS 10415 2017-08-31 00:00:00 0.00 2016-10-31 SR 0 0 0 0 SRC MAIN MAIN REF 2008-08-21 0 621.3821VIS 15763 2017-09-02 00:00:00 0.00 2016-10-31 SR 0 0 0 0 LEN MAIN MAIN LEN 2009-01-08 0 621.3821VIS 15762 2017-08-31 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2009-01-08 0 621.3821VIS 15761 2017-08-31 00:00:00 0.00 2016-10-31 L 0 0 ddc 0 0 LEN MAIN MAIN LEN 2009-01-08 0 621.3821VIS 14374 2017-08-31 00:00:00 0.00 2016-10-31 L 0 0 0 0 LEN MAIN MAIN LEN 2014-11-25 0 621.3821VIS 36244 2017-08-31 00:00:00 0.00 2016-10-31 L