Elaboration of ecological regional standards for protection of water-bodies

Alekseev, M.I., Tsvetkova, L.I., Neverova, E.V. Elaboration of ecological regional standards for protection of water-bodies // Environmental Protection Strategy Standardization and Control of Pollution Load on the Marine Environment : 1st International Conference, 20-24 September 1993, Tallinn, Estonia : abstracts. [Tallinn], 1993. p. 42.