000 00417nam a2200193Ia 4500
008 210210b1924 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a541.388 ASTI
100 _aASTON (F W)
245 _aIsotopes Ed 2
250 _a
260 _aLondon
_bEdward Arnold & Co.
_c1924
300 _axi,182
650 _aIsotopes
650 _aEd
650 _a2
690 _aChemistry
906 _a009666
999 _c140577
_d140577