1. Grundlehren d;Aubin,1982
2. Phenomenology of the Gowdy universe onT3×R
3. On the regularity of spherically symmetric wave maps
4. On uniqueness in the large of solutions of Einstein's equations (?strong cosmic censorship?). Proceedings of the Centre for Mathematics and Its Applications, Australian National University, 27. Australian National University, Centre for Mathematics and Its Applications, Canberra, 1991.
5. Strong cosmic censorship in polarised Gowdy spacetimes