00584nam a2200229Ia 4500 OSt 20230615095216.0 210423s2011 xx 000 0 und d 9780070648104 AL eng 621.38275 KEIG 23 KEISER (Gerd). 94518 Optical fiber communications. 4 New Delhi Tata McGraw-hill 2011 xxxii,578 PB 510 INR Electric Engineering 94519 communications. ; fiber ; Optical ddc BK 161880 161880 0 0 0 0 PHY SACPG SACPG 2012-06-28 Athulya Books 510.00 1 621.38275 KEIG PG008373 2025-10-23 10:08:09 2025-08-04 2021-04-26 BK 0 0 0 0 PHY SACPG SACPG 2012-06-28 Athulya Books 510.00 0 621.38275 KEIG PG008374 2022-08-24 00:00:00 2021-04-26 BK 0 0 0 0 PHY SACPG SACPG 2012-06-28 Athulya Books 510.00 0 621.38275 KEIG PG008375 2022-08-24 00:00:00 2021-04-26 BK