Trophic relationships in inland waters : proceedings of an international symposium, held at Tihany (Hungary), 1-4 September 1987

Modern problems in elastic wave propagation: International Union of Theoretical and Applied Mechanics symposium held at Northwestern University, Evanston, Ill., USA, September 12-15, 1977

Graph drawing : 19th international symposium, GD 2011, Eindhoven, The Netherlands, September 21-23, 2011 : revised selected papers

Treatment and disposal of liquid and solid industrial wastes : proceedings of the Third Turkish-German Environmental Engineering Symposium, Istanbul, July 1979 / edited by Kriton Curi.

Preparation of catalysts : scientific bases for the preparation of heterogeneous catalysts : proceedings of the international symposium held at the ...