1
Clean technologies : international symposium. volume 0003 : Final proceedings. Vol. 3. Country reports, case studies : Karlsruhe, 07.10.1985-18.10.1985.
Book
...UCJ - Environmental protection - general aspects...
2
Clean technologies : international symposium. volume 0002 : Final proceedings. Vol. 2. Clean technology practices in the Federal Republic of Germany : Karlsruhe, 07.10.1985-18.10.1985.
Book
3
Clean technologies : international symposium. volume 0001 : Final proceedings. Vol. 1. Objektives, programm and general statements. In 3 vols : Karlsruhe, 07.10.1985-18.10.1985.
Book