000 00504 a2200265 4500
001 107011
020 _a0
041 _aeng
080 _a541.5 Cla
245 _aChemistry of the covalent bond
250 _a
260 _aSan Francisco
260 _bW.H. Freeman,
260 _c1957
300 _axiv,684 p.
300 _c21.5 cm
490 _a
100 _aClapp, Leallyn B.
700 _a
650 _a
650 _aChemical bonds
650 _aValancy
942 _cBK
942 _2UDC
999 _c106780
_d106780