Pealkiri |
Reports of the IV All-Union Symposium on Actual Problems of Self-Purification of Water-Bodies and the Regulation of Water Quality : Tallinn, 16th-18th April 1979 / Ministery of Higher and Specialized Secondary Education of the USSR, State Committee of the USSR for Hydrometerology and Control of the Natural Environment, State Committee for Building of the USSR, Ministry of Melioration and Water Management of the USSR, Tallinn Polytechnical Institute ; [toimetuse kolleegium: H. A. Velner (vastutav toimetaja)... jt.] |
Ilmunud |
Tallinn : [Tallinna Polütehniline Instituut], 1980 |
Kirjeldus |
67, [1] lk. ; 20 cm |
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