Flora of Russia : the European part and bordering regions : translated from Russian. Vol. 6 / editor-in-chief An. A. Fedorov ; scientific editor of translation D. V. Geltman ; translator & general editor: V. S. Kothekar. - Rotterdam [a. o.] : A. A. Balkema, 2002. - XVIII, 378 p., 1 l. of map: ill.