"World Symposium on International Documentation. <2, 1980, Bruxelles>." . . "World Symposium on International Documentation <2, 1980, Bruxelles>" . "Information und Dokumentation" . . "Amtliche Druckschriften" . . "Amtsdruckschrift" . . "Congrès." . . "Sources d'information." . . "World Symposium on International Documentation. Proceedings" . . "World Symposium on International Documents (2e : 1980 : Bruxelles, Belgique)" . . . "Dokumentation Kongressbericht." . . "World Symposium on International Documentation (2 : 1980 : Bruxelles)" . . . "World Symposium on International Documentation (2 : 1980 : Bruxelles)." . "Internationale Organisationen" . . "Documentation Congrès." . . "World symposium on international documentation (1980 : Bruxelles)" . . . "Kongress." . . "World Symposium on International Documentation (2, 1980, Bruxelles)" . . "International documents for the 80's [eighties]" . . . . . . . . . "International documents for the 80's [eighties] : their role and use ; proceedings of the 2. World Symposium on International Documentation, Brussels, 1980" . . . . . "International documents for the 80's, their role and use : proceedings of the second World Symposium on International Documentation, Brussels, 1980" . . "Conference proceedings"@en . . . . . . . . "International documents for the 80's : their role and use; proceedings of the second World Symposium on International Documents, Brussels 1980" . . . . . . . . "International documents for the 80's, their role and use : proceedings of the 2nd World Symposium on International Documents, Brussels, 1980" . . "International documents for the 80's [eighties] their role and use ; proceedings of the 2nd World Symposium on Internat. Documentation, Brussels 1980" . "International documents for the 80's, their role and use : proceedings of second World Symposium on International Documentation, Brussels, 1980" . . . . . "International documents for the 80's, their role and use : proceedings of the second world symposium on international documentation, Brussels, 1980" . . . . . . . . . "International documents for the 80's : their role and use : proceedings of the 2. World Symposium on Internat. Documentation, Brussels, 1980" . . "International documents for the eighties" . . . . . "International documents for the 80's : their role and use ; proceedings of the Second World Symposium on International Documentation, Brussels - 1980"@en . . "International Documents for the 80's : Their Role and Use : Proceedings of the Second World Symposium on International Documentation Brussels - 1980" . . . "International documents for the 80's, their role and use : proceedings of 2nd World Symposium on International Documentation, Brussels, 1980"@en . . "International documents for the 80's : their role and use : proceedings of the second World symposium on international documentation, Brussels, 1980" . "\"Proceedings of 2nd World Symposium on International Documents, Brussels, 1980.\"--T.p." . "International documents for the 80's, their role and use proceedings of second World Symposium on International Documentation, Brussels, 1980"@en . . "International documents for the 80's their role and use ; proceedings of the 2nd World Symposium on Internat. Documentation, Brussels 1980" . . . . "Conference papers and proceedings"@en . "Brüssel (1980)" . "Conference papers and proceedings" . . . . . "World Symposium on International Documentation (2nd : 1980 : Brussels)" . . . "Documentación Congresos." . . "World Symposium on International Documentation (2. 1980. Bruselas)" . . . "Bibliographie internationale Congrès." . . "Internationale Organisation." . . "World Symposium on International Documentation (2nd : 1980 : Brussels, Belgium)" . . . "Veröffentlichung." . . "World Symposium on International Documentation <2, 1980, Bruxelles>" . . . "Publications officielles." . . "World Symposium on International Documents (2 : 1980 : Brussels)" . . . . .