http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Epidemiology of the unusual smog episode of october 1948. Preliminary report
12.573/30e -- AIR-POLLUTION Donora -- Air Pollution in Donora,Pa.Epidemiology -- of the unusual smog episode of october -- 1948.Preliminary report.H.H.Schrenk -- [u.a.] 1949. -- (Public Health Bulletin. 306.) -- 1957:2384. -- KB/U.