000 00282nam a2200121Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
040 _aET
100 _aKeiser , Gerd
245 0 _aOptical Fiber Communication
260 _bMC Grow Hill
_aNEW DELHI
500 _a59846
942 _cBK
999 _c65809
_d65809