000 00400nam a2200181Ia 4500
008 210210b1939 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a534/4
100 _aBARTON (A W)
245 _aTextbook on light
260 _aLondon
_bLongman Green & Co Ltd.,
_c1939
300 _a426
650 _aTextbook
650 _aon
650 _alight
690 _aSound
906 _a008492
999 _c126399
_d126399