In Russian. Durante, Marina Viktorovna. Paleobotanical rationale for the stratigraphy of carbon and permi of Mongolia. Moscow: Science, 1976. Paleobotanicheskoe obosnovanie stratigrafii karbona i permi Mongolii. In Russian /Paleobotanical rationale for Mongolia's carbon and permi stratigraphy . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU6932095