000 00346nam a2200133Ia 4500
005 20260413100908.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aShetwell, R. Allen
245 3 _aAn pritrod to fiber optics
260 _bN. delhi Prentice hall of India
_c1999
300 _a173
942 _cGB
999 _c5306
_d5306