Internet database on alien species in the Baltic Sea
Olenin, S.; Leppäkoski, E.; Daunys, D. (2002). Internet database on alien species in the Baltic Sea, in: Leppäkoski, E. et al. (Ed.) Invasive aquatic species of Europe: distribution, impacts and management. pp. 525-528
In: Leppäkoski, E.; Gollasch, S.; Olenin, S. (Ed.) (2002). Invasive aquatic species of Europe: Distribution, impacts and management. Kluwer Academic: Dordrecht. ISBN 978-90-481-6111-9. IX, 583 pp. https://dx.doi.org/10.1007/978-94-015-9956-6, meer
