http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Schmitt, Horst -- Schäden endotrachealer Intubation. -- 1981. 1 Mikrofiche (53 S.) -- Saarbrücken, Univ., Med. Fak. <Homburg>, -- Diss. 1981