000 00414nam a2200181Ia 4500
008 210210b1948 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a536/6
100 _aASTON (F W)
245 _aMass spectra and isotopes
260 _aLondon
_bEdward Arnold & Co
_c1948
300 _a276
650 _aspectra
650 _aMass
650 _aisotopes
690 _aModern Physics
906 _a008804
999 _c126613
_d126613