00344nam a2200145Ia 4500008004000000041000800040082001200048100002100060245002400081260004100105300000800146650001200154650000900166700002300175210210b1960   xxu||||| |||| 00| 0 eng d  aeng  a536/134  aWEHR (M Russell)  aPhysics of the atom  aLondonbAddison Wesley Longmanc1960  a420  aPhysics  aatom  aRICHARDS (James A)