http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
18.156 -- GUARDA-INFORMATION -- Guarda-Information.2. - (Wien:Guardaval -- 1959.) 8° -- 1960:1127 (H.2). -- Forts.s.T.K.!