Baltic Sea Ice Climate Workshop 2005 
78 
Leppäranta, M., Palosuo, E., Grönvall. H., Kalliosaari, S., Seinä, A. & Peltola, J., 1988. 
Phases of the Ice Season in the Baltic Sea. Finnish Marine Research 254, 
Supplement 2. 
Mylly, M., 2004. The Work of Icebreakers in our Northern Waters. Paper presented on the 
‘Ice Day Workshop ‘Basics of Winter Navigation in the Baltic Sea’, 12.2.2004, Oulu. 
Seinä, A., Palosuo, E., 1993. The classification of the maximum annual extent of ice cover in 
the Baltic Sea 1720 - 1992, Meri 20, 5-20. 
Strübing, K., 1978. Winterschiffahrt und Meereiserkundung im nördlichen Ostseeraum. 
Seewart 39, 1-25 
Strübing, K., 1978. Entwicklung der Winterschiffahrt im nördlichen Ostseeraum. Hansa 115, 
267-270, 355- 357, 439-440) 
Strübing, K., Ramseier, R.O., 2000. Real-time use of ERS-2 data on board GS "Neuwerk" in 
the Bay of Bothnia. Proc. of a Workshop on Mapping and Archiving of Sea Ice Data - The 
Expanding Role of RADAR, Ottawa, Canada, 2-4 May 2000. WMO/TD-No 1027, pp 165- 
172, JCOMM Technical Report No 7.