00460nam a2200181Ia 4500 230718s9999 xx 000 0 und d 9781259006876 eng 621.382'75 KEI Keiser G. Optical Fiber Communications 5th ed 2013 McGraw Hill 662 Rs. 899.00 Keiser G. O:0787624-Feb-2023B:27223-Feb-2023 BBB-M 224.75 353560 353560 0 0 0 0 CCEP CCEP 2023-02-24 Om Book Stall BBB-M 674.25 272 4 621.382'75 CCEP-BK-64771 2026-05-22 06:39:50 2026-01-08 224.75 899.00 2023-02-23 BK 064771