000 naa a22 7ar4500
008 06213| d
001 72721
040 _aNEU
050 _aQD469
245 1 0 _aAn introduction to the electronic theory of valency/
_cJ. Clare Speakman.
260 _aLondon:
_bE. Arnold,
_c1955.
300 _a180 p.
_billus.
_c19 cm.
740 _aElectronic theory of valency.
100 1 _9206668
_aSpeakman, J. Clare,
_d1907-
650 _aValence Theoretical chemistry
_9377564
942 _kQD0000469S591955
_cBOOK
999 _c60704