| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Small-Scale Chp Based on Stirling Engines: Final Report | 978-92-828-3909-6 (92-828-3909-5) | 1998 | European Commission Directorate General for Energy |
| Utilisation of Ash from Industrial Boilers: Final Report | 978-92-828-6361-9 (92-828-6361-1) | 1999 | Directorate-General for Energy European Commission |