000 00501nam a2200217Ia 4500
008 210210b1967 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/84
100 _aRAO (B V N)
245 _aTextbook of light part one geometrical optics
260 _aNew Delhi
_bSole distributor.
_c1967
300 _axii,204
650 _aTextbook
650 _apart
650 _aoptics
650 _aone
650 _alight
650 _ageometrical
690 _aSound
906 _a008572
999 _c126417
_d126417