Title: Stratigrafii͡a, uslovii͡a osadkonakoplenii͡a i fauna ordovikskikh i nizhnedevonskikh otlozheniĭ Novoĭ Zemli, Vaĭgacha i Paĭ-Khoi͡a
Subjects: Stratigraphic Geology, Geology
Places: Northern Russia
Time periods: Paleozoic