Short description: In Russian. Pronin, Alexander Alekseevich. Geological Problems of Modern and Ancient Oceans. Leningrad: Science. Leningrad Division, 1977. Geologicheskie problemy sovremennykh i drevnikh okeanov. In Russian /Geological problems of modern and ancient oceans. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU7648783