| | Danish Institute for Fisheries Research |
| | Kavalergarden 6, DK-2920 Charlottenlund, Denmark |
| http://www.dfu.dtu.dk | | info@difres.dk |
| ryby - zasoby rybackie i ekologia organizmów wodnych |
| 2002 | | Baltic Sea Fisheries in Previous Centuries: Development of Catch Data | abs | | 44 | | str | 0,3 | mb |
| | Series and Preliminary Interpretations of Causes of Fluctuations |
| 2002 | | Ecological hypotheses for a historical reconstruction of upper trophic level | abs | | 18 | | str | 0,5 | mb |
| | biomass in the Baltic Sea and Skagerrak |