http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"Series: Event Horizon (1980). Years of publication #1 1980-#3, 1981" -- Internet Speculative Fincation Database.
"Volume 1, Number 3. Third and last issue of this fanzine." -- Parigi books.