000 00325nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a541.5
_bCAR
100 _aCartmell, E
245 0 _aValency and molecular structure
250 _aEd.4
260 _aLondon
_bButterworths
_c1977
700 _aFowles, G W A
942 _cBK
999 _c30270
_d30270