XX years in service of metallurgical workers, June 1949, July 1969.
Publisher: Federation of Hungarian Workers of Metallurgical and Electric Power Industry
Published: 1960
Place of publication: [Prague
Language: eng
Number of pages: 53
Subjects: Trade Unions International of Workers in the Metal Industries.
Notes: Cover title.
Issued also in French, German, and Spanish.
"Special buletin [sic] of the International Union."