- Author: H.A. Lauwerier
- Language: English
- Year: 1966
- Author: A. Schrijver
- Language: English
- Year: 1978
- Author: A. Schrijver
- Language: English
- Year: 1978
- Author: Groeneboom Piet
- Language: English
- Year: 1980
- Author: Jager E.M.de
- Language: English
- Year: 1969
- Author: C.B. Huijsmans M.A. Kaashoek W.A.J. Luxemburg W.K. Vietsch (eds)
- Language: English
- Year: 1982
- Author: Jager Eduardus Marie de
- Language: English
- Year: 1969
- Author: Jager Eduardus Marie de
- Language: English
- Year: 1969
- Author: Groeneboom P.
- Language: English
- Year: 1980