An pagkakaiba han mga rebisyon han "Dagat Baltiko"

* [http://www.ferrylines.com/en/routes/ferries-in-the-baltic-sea/ List of all ferry lines in the Baltic Sea]

* [http://www.helcom.fi/ The Helsinki Commission (HELCOM)] HELCOM is the governing body of the "Convention on the Protection of the Marine Environment of the Baltic Sea Area"

* [http://www.balticseawind.org/ Baltic Sea Wind] – Marine weather forecasts