Columbia subject headings:
Harvard subject headings:
Geologists--Soviet Union--Biography
Geophysicists--Soviet Union--Biography.
Shcherbakov, D. I. (Dmitriĭ Ivanovich), 1893-1966.
Princeton subject headings:
Geologists--Soviet Union--Biography.
Shcherbakov, D. I. (Dmitriĭ Ivanovich), 1893-1966.