000 00257nam a2200097Ia 4500
008 170912s9999 xx 000 0 und d
082 _a NAR/A
100 _aNARAYANA KURUP K
245 2 _aA CONCISE TEXT BOOK OF OPTICS AND ELECTRO MAGNETIC THEORY
942 _cTB
999 _c44191
_d44191