000 00375nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a660.28
_bRAV
100 _aRaval, Dollarry.
245 0 _aChemical bonding : an introduction
260 _aV.V. Nagar :
_bS. P. University,
_c1970.
300 _a190 ;
365 _a0.00
650 _aChemical Sciences
999 _c9401
_d9401