1. Bailes, M., 1989,Astrophys. J.,342, 917.
2. Bhattacharya, D., 1994, In Alpar, M. A. et al, editors,Lives of the Neutron Stars, Kluwer Academic Publishers, Dordrecht, in press.
3. Bhattacharya, D. and Srinivasan, G., 1991, In Ventura, J. and Pines, D., editors,Neutron Stars: Theory and Observation, page 219, Kluwer Academic Publishers, Dordrecht.
4. Bhattacharya, D. and Srinivasan, G., 1995, In W. H. G. Lewin, J. A. van Paradijs and E. P. J. van den Heuvel, editors,X-ray Binaries, Cambridge University Press, in press.
5. Bhattacharya, D., Wijers, R. A. M. J., Hartman, J. W., and Verbunt, F., 1992,Astron. Astrophys.,254, 198.