Authors
Stella Mudrak
Department of Marine Plankton Research Institute of Oceanography, University of Gdańsk, Gdynia, Poland
Maria Żmijewska
Department of Marine Plankton Research Institute of Oceanography, University of Gdańsk, Gdynia, Poland
© 2007 Stella Mudrak, Maria Żmijewska, published by University of Gdańsk
This work is licensed under the Creative Commons License.