Advances in water pollution research : proceedings of the fourth international conference held in Prague 1969

International Conference on Advances in Water Pollution Research / International Association on Water Pollution Research | TIBKAT | 1969

Advances in water pollution research : proceedings of the second international conference, held in Tokyo, August 1964; [Second International Conference on Water Pollution Research] ; Vol. 1: / ed. by O. Jaag

Jaag, O. | TIBKAT | 1965

Advances in water pollution research : proceedings of the second international conference, held in Tokyo, August 1964; [Second International Conference on Water Pollution Research] ; Vol. 1: / ed. by O. Jaag

International Conference on Water Pollution Research | UB Braunschweig | 1965

Advances in water pollution research : proceedings of the second international conference, held in Tokyo, August 1964; [Second International Conference on Water Pollution Research] ; Vol. 2: / ed. by J. K. Baars

Baars, J. K. | TIBKAT | 1965

International conference on air pollution and water conservation. 2. 1969.

Britih non-ferrous Metals Research Association | UB Braunschweig | 1970