1. Proceedings, Dundee 1976;A. Acker,1976
2. [AK] Acker, A., Kawohl, B.: Remarks on quenching. Nonlinear Anal.,13, 53?61 (1989)
3. [BB] Bandle, C., Brauner, C.: Singular perturbation method in a parabolic problem with free boundary. In: Godunov, S.K., Miller, J.J.H., Novikov, V.A. (eds.) Proceedings, BAIL IVth Conference, Novosibirsk, pp. 7?14. Dublin: Boole Press 1987
4. [BSS] Bandle, C., Sperb, R.P., Stakgold, I.: Diffusion and reaction with monotone kinetics. Nonlinear Anal.8, 321?333 (1984)
5. [BS] Bandle, C., Stakgold, I.: The formation of the dead core in parabolic reaction diffusion problems. Am. Math. Soc. Trans.286, 275?293 (1984)