Our World: A Global Assesment. En The long roads to peace, editado por Joseph Rotblat (Proceedings of the “48th Pugwash Conference on Science and World Affairs”, setiembre-octubre de 1998), Singapore: World Scientific Publishing Company, 2001.

The fight against poverty and national development strategies. Proceedings 46th Pugwash Conference on Science and World Affairs, Lahti, Finlandia, setiembre de 1996, World Scientific Publishing Co, Singapore, 1998.

The Prevention and Resolution of Conflicts in the Current Historical Context. Proceedings of the 42nd Pugwash Conference on Science and World Affairs (Berlin, Alemania, Setiembre 1992), World Scientific Publishing Co, Singapore, 1994.

Progress, State and Civil Society: General Considerations. Proceedings 42 nd Pugwash Conference on Science and World Affairs. Creta, June 1994.

An Assessment of the Latin American Situation. Proceedings of the “40th Pugwash Conference on Science and World Affairs”, Londres, Inglaterra, setiembre de 1990. Incluido también en el libro editado por Joseph Rotblat y Francesco Calogero: Towards a secure world in the Twenty first Century, London, MacMillan Press, 1992.