000 00297nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a535
082 _bG341O
100 _a"Ghatak, Ajoy"
245 0 _aOptics
260 _aTMH
260 _bNew Delhi
260 _c1978
300 _a"xx, 538"
999 _c21924
_d21924