1
German-Egyptian seminar on environmental research : Cairo, March 21 - 23, 1994 /
Book
2
Analytik und Gewässerreinhaltung : Analytik und Gewässerreinhaltung: Fachforum : Fachforum Umweltanalytik : Karlsruhe, 05.03.90.
Book
3
German-Egyptian seminar on environmental research : Cairo, March 21 - 23, 1994 [E-Book] /
4
The mid term review of the European Union's 5. action programme: proceedings : Bruxelles, 15.02.96-16.02.96.
Book
5
International environmental economics: theories, models and applications to climate change, international trade and acidification.
Book