- document
- Journee, Johan M.J. (author) report 1992
- document
- Bisshopp, F.E. (author) report 1967
- document
- Versluis, Aad (author) report 1971
- document
- Hirota, M. (author) report 1977
- document
- Akaike, Hirotugu (author) report 1961
- document
- Timman, Reinier (author) report
- document
- Bartlett, M.S. (author) report 1962