000 00334nam a2200133Ia 4500
008 210901s1973 xx 000 0 eng d
082 _a541.224 BRO
100 _aBrown. G.I.
245 2 _aA New Guide to Modern Valency Theory
260 _aLondon
_bEnglish Language
_c1973
300 _a238
650 _aChemistry
942 _2ddc
_cBK
999 _c14243
_d14243