00437nam a2200169Ia 4500 230718s9999 xx 000 0 und d eng 621.382'75 SAR Sarkar S.K. Optical Fibres And Fibre Optic Communication Systems 4th ed. 2007 S.Chand 440 Rs. 135.00 Sarkar S.K. B:BMQ7CRQQ244308-Dec-2007 ETC 317947 317947 0 0 0 0 CCEP CCEP 2008-01-02 S Chand ETC 135.00 BMQ7CRQQ2443 0 621.382'75 CCEP-BK-29154 2023-07-18 00:00:00 135.00 2007-12-08 BK 029154