000 00435nam a2200157Ia 4500
005 20240911061312.0
008 190522s9999 xx 000 0 und d
020 _a8120308344
082 _a621.381
_bGOW
100 _aGorwer, John
_9638
245 0 _aOptical communication systems/
_cJohn Gowar
250 _a2nd ed.
260 _aNew Delhi :
_bPrentice-hall of india,
260 _c1966
650 _aOptical communication systems
_9639
999 _c12420
_d12420