• The experience of management of ecological condition of the Neva Bay and the eastern part of the Gulf of Finland by manoeuvring flood defending complex water-gatesUsanov, Boris P.; Tsvetkova, Ludmila I.; Michailenko, Rosa R.; Pitulko, Victor M.Environmental Protection Strategy Standardization and Control of Pollution Load on the Marine Environment : 1st International Conference, 20-24 September 1993, Tallinn, Estonia : abstracts1993 / p. 27