1. Zur Verteilung einiger Schwermetalle in der Ostsee—eine Ubersicht;Brügmann;Acta hydrochim. hydrobiol.,1977
2. Heavy metals in the Baltic Sea;Brügmann;Mar. Pollut. Bull.,1981
3. Trace metals in the waters of the Gdansk Basin;Brzezinska,1978
4. Metal Pollution in the Aquatic Environment;Förstner,1979
5. Heavy metals in the sediments of the Gulf of Bothnia;Hallberg;Ambio,1979