000 00478nam a22001697a 4500
008 230502b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a541.57
_bL9
100 1 _aCompanion, Audrey L
_98098
245 _aChemical bonding
250 _a2nd ed.
260 _aNew Delhi:
_bTata McGraw-HIll Publishing Company Ltd,
_c1980
300 _ax, 179p.
650 _aChemical
653 _aBohr Atom
942 _2udc
_cBK
999 _c26166
_d26166