000 00320nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c675
040 _aET
100 _aKEISER GERD
245 0 _aOPTICAL FIBER COMMUNICATION
260 _bMC Graw Hill
_aNEW DELHI
300 _a662
500 _a48982
942 _cBK
999 _c54997
_d54997