Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 92; Other Information: Orig. Receipt Date: 31-DEC-54
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 80; Other Information: Orig. Receipt Date: 31-DEC-51