000 00286nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a054
_bPAR.1
100 _aJ R
245 0 _aHistory of chemistry. V 1. Pt 1. Theoretical background
260 _aLondon
_bMacmillan
_c1972
942 _cBK
999 _c23950
_d23950