International CIEC Symposium Balatonfüred, Hungary, Centre International des Engrais Chimiques, Welte, E., & Szabolcs, I. (1989). Protection of water quality from harmful emissions with special regard to nitrate and heavy metals: 1987 1-4 September, Balatonfüred, Hungary : proceedings. [CIEC Editorial Board].
Chicago Style (17th ed.) CitationInternational CIEC Symposium Balatonfüred, Hungary, Centre International des Engrais Chimiques, Erwin Welte, and I. Szabolcs. Protection of Water Quality from Harmful Emissions with Special Regard to Nitrate and Heavy Metals: 1987 1-4 September, Balatonfüred, Hungary : Proceedings. [Goettingen]: [CIEC Editorial Board], 1989.
MLA (9th ed.) CitationInternational CIEC Symposium Balatonfüred, Hungary, et al. Protection of Water Quality from Harmful Emissions with Special Regard to Nitrate and Heavy Metals: 1987 1-4 September, Balatonfüred, Hungary : Proceedings. [CIEC Editorial Board], 1989.