00669nam a2200193Ia 4500952014900000999001700149003000400166005001700170008004100187020001800228040000900246082002200255100001900277245005500296260005300351300000900404650001200413942005000425  00102ddc40708APHYaMESbMEScPHYd2019-02-20g225.00l5m7o621.380414 SAR/Lp32504r2023-07-25 12:30:19s2023-06-27w2019-02-20yBKzGL15R1  c34139d34139OSt20200917111458.0190216s9999||||xx |||||||||||||| ||und||  a9788189866587  coclc  a621.380414bSAR/L  aSarah, P94665 0aLasers And Optical Fibre Communications /cP Sarah  bI.K.International Publishing,aNew Delhi:c2008.  a278p  aPhysics  cBK2ddch621.380414iSAR/Lk621.380414mSAR/L