Petri, Kallio, The non-initial-syllable vowel reductions from Proto-Uralic to Proto-Finnic, Suomalais-Ugrilaisen Seuran Toimituksia, 2012, 264, ISSN 0355-0230
Turkic-speaking Huns (380 AD), the Avars (558 AD), and, finally, the Ugro-Finnic Magyars (896 AD). In the 2nd century AD neighboring Dacia (Transylvania)