%0 Journal Article
%T Introducing some echinoderms from the Tirgan Formation, Kopeh-Dagh Basin, NE of Iran
%A M. Taherpour Khalilabad
%A  A. A. Aryaei
%A  Ashouri, Ali Reza
%A  Ghaderi, Abbas
%J Geopersia
%@ 2228-7817
%D 2011