Authors: Pushkin, VI Popov, LE

Citation: Vi. Pushkin et Le. Popov, Early Ordovician bryozoans from north-western Russia, PALAEONTOL, 42, 1999, pp. 171-189

Authors: Pushkin, VI Modzalevskaya, TL

Citation: Vi. Pushkin et Tl. Modzalevskaya, Silurian and Lower Devonian brachiopod and bryozoan communities of southwestern Byelorussia, WORLD REG G, 11, 1999, pp. 496-509