Lehtonen, Juhani U. E. “Congressus Secundus Internationalis Fenno-Ugristarum. Pars II”. Finnisch-Ugrische Forschungen 1970, no. 38 (January 1, 1970): 292–300. Accessed May 20, 2024. https://journal.fi/fuf/article/view/113283.