http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NTZ-Communications journal July 1968-Dec. 1978
In German only, Oct. 1955- ; in English and German, -
Organ of Nachrichtentechnische Gesellschaft.
Index for 1955-1957 included in v. 11 of NTF; nachrichtentechnische Fachberichte.