Problems of Uralistics : contributions to the 7th International Congress of Finno-Ugrists Debrecen, August 27 - September 2, 1990 : analytical reviews in two volumes - Suhonen, Irja-Leena; Agheyeva, Ruth A.; Yeliseyev, Yuri S.; Akademija nauk SSSR; Eesti Teaduste Akadeemia; Suomen Akatemia (USSR Academy of Sciences : Academy of Sciences Estonia : Academy of Finland, 1990)