00628nam a2200157Ia 4500008004100000082001900041100001600060245006500076250001200141260005000153300001000203942001200213952010900225952012100334999001500455150201s2012    xx            000 0 und d  a621.38275bGUP  aGupta, S. C  aTextbook on optical fiber communication and its applications  a2nd Ed.  bPHI Learning Private LimitedaNew Delhic2012  a518p.  2ddccBK  00102ddc4070aFEbFEd2012-09-06iSGTUl0o621.38275 GUPpFE5400r2015-02-09 00:00:00w2015-02-09yBK  00102ddc4070aFEbFEd2012-09-06iSGTUl1o621.38275 GUPpFE5401r2018-06-07 00:00:00s2018-06-05w2015-02-09yBK  c5477d5477