000 00280pam a2200121a 44500
082 _a541.39
_bC249V2
100 _aCartmell, E.
245 1 _aVALENCY AND MOLECULAR STRUCTURE
260 _a
_bButterworths
_c1961
700 _aFowles, G.W.A.
964 _gCIRC
997 _a15799 C
999 _c410056
_d410056