| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Environmental Protection: Standards, Compliance and Costs | 978-0-13-282468-2 | 1984 | |
| Environmental Protection: Standards, Compliance and Costs | 978-0-470-20095-7 | 1984 | |
| Inland Waters: Annual Topic Update 1998 | 978-92-9167-199-1 | 1999 | a F. Boschet · W. Wahliss |
| Inland Waters: Annual Topic Update 1999 | 978-92-9167-208-0 | 2000 | a F. Boschet · V. de Paepe |