European Communities · European Communities / Union (EUR-OP/OOPEC/OPOCE)
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| An Energy Valorization and Purification of Brewery Effluent: Demonstration Project | 978-92-825-9098-0 (92-825-9098-4) | 1989 |
| Power-saving Process for Waste-water Treatment: Demonstration Project | 978-92-826-1958-2 (92-826-1958-3) | 1990 |