1. CCD/558: Report to the Conference on Disarmament of the Ad Hoc Group of Scientific Experts to Consider International Co-operative Measures to Detect and to Identify Seismic Events, Geneva, 8 March 1978.
2. CD/43: Second Report of the Ad Hoc Group of Scientific Experts to Consider International Co-operative Measures to Detect and Identify Seismic Events, Geneva, 23 July 1979.
3. CD/448: Third Report to the Conference on Disarmament of the Ad Hoc Group of Scientific Experts to Consider International Co-operative Measures to Detect and Identify Seismic Events, Geneva, 9 March 1984.
4. CD/720: Fourth Report to the Conference on Disarmament of the Ad Hoc Group of Scientific Experts to Consider International Co-operative Measures to Detect and Identify Seismic Events: Report on the Group of Scientific Experts’ Technical Test (GSETT) 1984, Geneva, 31 July 1986.
5. CD/903: Fifth Report to the Conference on Disarmament of the Ad Hoc Group of Scientific Experts to Consider International Co-operative Measures to Detect and Identify Seismic Events: Technical Concepts for a Global System for International Seismic Data Exchange, Geneva, 17 March 1989.