000 00503nam a2200205Ia 4500
008 210210b1925 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/71
100 _aNARAYAN (A L)
245 _aStudy of the optical properties of potassium vapour
260 _aMadras
_bThe Superintendent, Government Press
_c1925
300 _a30
650 _avapour
650 _aStudy
650 _aproperties
650 _apotassium
650 _aoptical
690 _aSound
906 _a008559
999 _c126400
_d126400