000 003660000a22001570004500
060 _a100
082 _a541.224 PAL
100 _aPalmer, W G
245 _aValancy: classical and modern
250 _a2
260 _aCambridge, Cambridge University Press
260 _c1959
300 _a239
650 _aStereochemistry/ Valency/ Spin theory/
942 _cBK
999 _c364543
_d364543