000 00307nam a2200133Ia 4500
001 6146
008 150525s9999 xx 000 0 und d
020 _a0 408 70038 6
100 _aCartmell E
245 _aValency And Molecular Structure
250 _a0
260 _aLondon
_bElbs
_c1966
300 _a,;ill.
999 _c37292
_d37292