000 00333nam a2200109 4500
245 _aAomic structure and valency for general students of chemistry
_cby B. Stevens
100 _aStevens, B.
260 _aLondon
_bChapmon and Hall
_c1962
300 _avii,103p.; 19cm.-
490 _aPhysical chemistry test books
082 _a539.7
_bSTE
999 _c22081
_d22081