http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Baltic Sea, north part of the Baltic Sea
1st ed., Nov. 10, 1990 (Correct through NM 44/90).
modified reproduction of INT 1022, originally published Nov. 1987 by the Democratic Republic of Germany.
"From Swedish, Finish and Soviet Union charts."