000 00363nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aE.Cartmell
245 0 _aValency and Molecular Structure
250 _a4th Ed
260 _aLondon
260 _bEnglish Language Book Society
260 _c1979
650 _aValency and Molecular Structure
942 _cBK
999 _c12463
_d12463