00474nam a2200145Ia 4500003000900000008004100009040001600050080001700066100002000083245011800103260006800221300001400289650001200303650001300315IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a53(047)bPHY  aPedersen, C. I. 0aReports on progress in physicsbvol. XXXI, pt. IIcPedersen, C. I.                                                 aLondonbThe Institute of Physics and the Physical Societyc1968  a418-859p.  aPhysics  aProgress