Title: Stratigrafii͡a︡ i uslovii͡a︡ osadkonakoplenii͡a︡ vulkanogennykh (leptitovykh) zhelezisto-kremnistykh format͡s︡iĭ Karelii
Subjects: Petrology, Crystalline rocks, Metamorphic rocks, Crystalline Rocks, Metamorphic Rocks