Ostrowski, Norbert, trans. „Baltic Abstract Nouns With -I-S and Slavic With -ьje (IE *-Iyo-)“. Baltistica 60, no. 1 (gruodžio 18, 2025): 31–36. žiūrėta vasario 22, 2026. https://www.journals.vu.lt/baltistica/article/view/44423.