Lundgreen-Nielsen, K. (1977) “Kalervo Hovi: Cordon Sanitaire or Barriere de l’Est ? The Emergence of the New French Eastern European Alliance Policy 1917-1919. - Turku, 1975. - Annales Universitatis Turkuensis: Ser. 8.-Tom 135”., Historisk Tidsskrift, 13. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51892 (Set: 5 december 2025).