00317nam a2200109Ia 450000500170000000800410001705000200005810000180007824500520009626000370014865000220018520251229190721.0251229s9999    xx            000 0 und d  aQC 173.96 .P38   aPauncz,Reuben 0aAlternant molecular Orbit methodcReuben Pauncz  aPhildelphiabW.B. Saundersc1967  aQuantum Mechanics