000 003720000a22001570004500
060 _a100
082 _a541.24 PRE
100 _aPress, R E
245 _aChemical electron
260 _aLondon, Longmans, Green & Co Ltd
260 _c1969
300 _a110
490 _aConcepts in chemistry
650 _aChemical electron/ Hydrogen atom/ Elements
942 _cBK
999 _c350680
_d350680