http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Pneumoconiosis among mica and pegmatite workers
PNEUMOCONIOSIS mica-workers -- Pneumoconiosis among mica and pegmati -- te workers.By Waldemar C.Dreessen[u.a -- 1940. -- (Public Health Bulletin.250.) -- 1957:2384. -- KB/U.