Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 102; Other Information: Orig. Receipt Date: 31-DEC-56
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 103; Other Information: Orig. Receipt Date: 31-DEC-57
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D ; Vol: 105; Other Information: Orig. Receipt Date: 31-DEC-57