00581nam a2200157Ia 4500008004100000082001900041100002500060245005600085260003900141300001000180630001800190650007200208942000900280952011700289999001700406211109s9999||||xx |||||||||||||| ||und||  a621.382bSUB-O  aSubir Kumar Sarkar,  0aOptical Fibres and Fibre Optic Comunication Systems  bS Chand & CompanyaNew Delhic1900  a306p.  xGeneral stack  aTechnologyvEngineering & allied operationsxApplied physicsPhysics  cBOOK  00104070aSBCLbSBCLc2d2021-11-09g100.00l0o621.382 SUB-Op00095082r2021-11-09 00:00:00w2021-11-09yBOOK  c52833d52833