Finnish-Soviet intercalibration of biological parameters used for monitoring the conditions of the Gulf of FinlandSaava, AstridMeri: report series of the Finnish Institute of Marine Research1980 / p. 78 https://www.ester.ee/record=b1717624*est

Mercury in the Southern part of the Gulf of FinlandOtt, Roman; Jankovski, J.Waste water load and state of the Gulf of Finland : 5th Finnish-Soviet Symposium on the Gulf of Finland, Tvärminne, Finland, 21.-22.8.19791980 / p. 68-72 https://www.ester.ee/record=b1705850*est

Sanitary-indicator bacterial analysisSaava, AstridMeri: report series of the Finnish Institute of Marine Research1980 / p. 68-78 https://www.ester.ee/record=b1717624*est

Viable aerobic mesophilic bacteria analysisSaava, AstridMeri: report series of the Finnish Institute of Marine Research1980 / p. 52-67 https://www.ester.ee/record=b1717624*est