000 00326nam a2200133Ia 4500
008 210901s1965 xx 000 0 eng d
082 _a541.372 GRA
100 _aGray, Harry B.
245 0 _aElectrons and chemical bonding
260 _aNew York
_bA. Benjamin
_c1965
300 _a250
650 _aChemistry
942 _2ddc
_cBK
999 _c9368
_d9368