Title: Ekologiceskaja bezopasnost' stran Baltijskogo regiona (k itogam meżdunarodnoj konferencii "Podchod s pozicij sistemnogo analiza k reseniju problemy regulirovanija okryżajuscej sredy i prirodnych resursov v regione Baltijskogo morja". Gdan'sk, 26-29 sentjabrja 1988 g.). ; Ecological safety Baltic region countries (to the sum of International conference "Method of approach from system analysis position to solution problem environment and natural resources controlling in the Baltic sea region". Gdańsk, 26-29 september 1988).