http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
THESAURUS ERIC-descriptors -- Thesaurus of ERIC descriptors. Introd. -- by Lynn Barnett. Compl. rev. - Phoenix, -- Arizona: Oryx Pr. 1980. XX, 419 S. 4° -- 1981:944. -- Ts.