1. Dogil, Grzegorz and Gregor Möhler. 1998. “Phonetic Invariance and Phonological Stability: Lithuanian Pitch Accents.” In 5th International Conference on Spoken Language Processing. Sydney, Australia, November 30 - December 4, 1998, paper 0206 (https://www.isca-speech.org/archive/icslp_1998/i98_0206.html).