AbstractIn the article by Umberto Colombo in our last issue, his affiliation should have read: Chairman, ENEA (The Italian National Agency for New Technology, Energy and the Environment), Viale Margherita 125,00198 Roma, Italy. The full reference for the paper is Umberto Colombo, “Cooperation in science and technology as a contribution to international security”Science and Public Policy, 19(1), February 1992, pages 2–6.