00417nam a2200109Ia 4500008004100000040003800041100006300079245007900142260002700221300001900248653004000267211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aSemiempirical Methods Of Electronics Structure Calculation 0aSemiempirical methods of electronic structure calculation: p a :techniques  bPlenumaNew Yorkc1977  axvii, 274p. p.  aChemistry, physical and theorotical