Balšaitytė, Danutė, and Vitalijus Kodzis. 2015. “Quantitative Reduction of Vowel Graph ‘a’ and ‘o’ Positioned After the Hard Consonants in the Speech of Native and Non-Native Russian Speakers in Lithuania”. Respectus Philologicus 27 (32): 198-208. https://doi.org/10.15388/RESPECTUS.2015.27.32.19.