http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
[Osadočnye rudy železa i margica. Engl.]
Erdwiss. FB -- VARENCOV, I[goŕ] M[ichajlovič ]- -- I.M.Varentsov. Sedimentary Manganese Ores [Osadočnye rudy železa i margica. Engl.]. (With 25 ill.and 21 tab.) -- Amsterdam, London, New York: Elsevier 1964. 119 S. 8°