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			_a48983
942			_cBK
999			_c54998 _d54998