000 00411nam a22001577a 4500
005 20151217143813.0
008 091222t xxu||||| |||| 00| 0 eng d
020 _a0582351251
080 _a544.146.2
_bBRO
100 _aBrown, G I
_94593
245 _aA new guide to modern valancy theory
260 _aLondon
_bELBS
_c1973
300 _a238p.
653 _aValancy Theory
_aChemical Bonding
942 _cBK
999 _c141614
_d141614