000 002660000a22001210004500
245 _aElectrons and chemical bonding
100 _aGray, H.B.
260 _aNew York
_bW.A. Benjamin
_c1965
300 _a223 p.
080 _a541
_bG7
041 _aEN
942 _cBK
999 _c52058
_d52058