| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| International Dimensions of Humanitarian Law | 978-92-3-202371-1 (92-3-202371-7) | 1988 |
| Knowledge for Sustainable Development: An Insight into the Encyclopedia of Life Support Systems | 978-92-3-103854-9 (92-3-103854-0) | 2002 |