1. Arnett, W. D. 1986, Preprint Enrico Fermi Inst., Univ. Chicago, submitted to Ap. J. Lettr.
2. Barkat, Z., Rakavy, G., and Sack, N. 1967, Phys. Rev. Lettr.
19, 379.
3. Baron, E., Cooperstein, J., and Kahana, S. 1985a, Phys. Rev. Lettr., 55, 126.
4. Baron, E., Cooperstein, J., and Kahana, S. 1985b, Nucl. Phys., A440, 744.
5. Baron, E., Brown, G. E., Cooperstein, J., and Prakash, M. 1985, Preprint.