000 00239 a2200109 4500
001 8692
090 _c7007
_d7007
100 _aKeiser,G
245 _aOptical fiber communications, 2/e
250 _a2
260 _bMc Graw Hill
_c1991
942 _aNUST-CAE
_k621.380414 KEI
999 _c243765
_d243765