1. Baffles, M., Lyne, A.G. & Shemar, S.L. 1993, in Planets around Pulsars, J.A. Phillips, S.E. Thorsett & S.R. Kulkarni ( Eds. ), ASP Conf. Ser. 36, 19
2. Bhattacharya, D. & Van den Heuvel, E.P.J. 1991, Phys. Rep. 203, 1
3. Demiański, M. & Prószyński, M. 1979, Nat 282, 383
4. Levy, E.H. 1993, in Planets around Pulsars, J.A. Phillips, S.E. Thorsett & S.R. Kulkarni ( Eds. ), ASP Conf. Ser. 36, 181
5. Levy, E.H. 1993, in Planets around Pulsars, J.A. Phillips, S.E. Thorsett & S.R. Kulkarni ( Eds. ), ASP Conf. Ser. 36, 181