| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Multigrid Methods IV: Proceedings of the Fourth European Multigrid Conference, Amsterdam, July 6-9, 1993 | 978-0-8176-5030-8 (0-8176-5030-X) | 1994 | |
| Multigrid Methods Iv: Proceedings Of The Fourth European Multigrid Conference, Amsterdam, July 6-9, 1993 | 978-3-0348-9664-1 (3-0348-9664-6) | 1994 | |
| Numal: Numerical Procedures in Algol 60 General Information and Indices | 978-90-6196-217-5 (90-6196-217-X) | 1981 |