Acartia tonsa (Copepoda, Calanoida): A new species in the Caspian and Azov Seas zooplankton. - Prusova, I.Y., A.D. Gubanova, N.V. Shadrin, E.K. Kurashova & D.C. Tinenkova (Vestnik Zoologii, 2002)
PDF in Russian, Abstract in English