1. 2nd ISSC(1964).Report of the Seakeeping Committee… In:Proceedings of the 2nd International Ship and Offshore Structures Congress. Delft August1964 p.19.
2. 12th ITTC(1969).Report of the Seakeeping Committee… In:Proceedings of the 12th International Towing Tank Conference. Rome September 1969 pp.775–779.
3. 14th ITTC(1975).Discussion and Recommendations for an ITTC 1975 Maneuvering Trial Code… In:Proceedings of the 14th International Towing Tank Conference. Ottawa September 1975 pp.348–365.
4. 15th ITTC(1978).Report of the Seakeeping Committee… In:Proceedings of the 15th International Towing Tank Conference. The Hague Netherlands September 1978 pp.55–70.
5. 17th ITTC(1984).Report of the Seakeeping Committee… In:Proceedings of the 17th International Towing Tank Conference. The Hague Netherlands September 1984 pp.531–534.