Improved Coulomb Potential
G. J. M. Austen and J. J. de Swart
Phys. Rev. Lett. 50, 2039 (1983) - Published 27 June, 1983
Spontaneous Supersymmetry Breaking by the Squashed Seven-Sphere
M. J. Duff, B. E. W. Nilsson, and C. N. Pope
Phys. Rev. Lett. 50, 2043 (1983) - Published 27 June, 1983