00421nam a2200145Ia 4500 230719s9999 xx 000 0 und d eng 621.382'75 SEL Selvarajan A. Optical Fiber Communication Principles And Systems 2003 Tata McGraw Hill 355 Ref 777 E (21144) Rs. 213.00 Selvarajan A.; Kar S. & Srinivas T. 354217 354217 0 0 0 0 CCEP CCEP Donated Book 2014-07-17 Masurkar Enterprises 213.00 5 621.382'75 CCEP-DB-422 2026-03-13 17:05:12 2026-03-05 213.00 2023-07-19 BK D00422