DALGAS JENSEN, Leon. Kostelecky, Václav: The United Nations Economic Commission for Europe: The beginning of a history. Graphic Systems AB, Goteborg 1989. 128s. Ud. Historisk Tidsskrift, [S. l.], v. 15, p. 210, 1990. DOI: 10.7146/ht.v15i0.53256. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/53256. Acesso em: 30 apr. 2026.