Authors
Janina Dziekońska-Rynko
Department of Zoology, Faculty of Biology University of Warmia and Mazury, Olsztyn, Poland
Jerzy Rokicki
Department of Invertebrate Zoology, University of Gdańsk, Gdynia, Poland
© 2009 Janina Dziekońska-Rynko, Jerzy Rokicki, published by University of Gdańsk
This work is licensed under the Creative Commons License.