Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 96; Other Information: Orig. Receipt Date: 31-DEC-55
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 91; Other Information: Orig. Receipt Date: 31-DEC-53