000 00290nam a2200121Ia 4500
008 211209s1990 xx 000 0 und d
041 _aeng
082 _a519.2 PEE
100 _aSUBRAMANYAM, N
245 _aTEXT BOOK OF OPTICS
260 _aNEW DELHI
_bS. CHAND & CO.
_c1990
300 _a612
999 _c11650
_d11650