Hejná M. Pre-aspiration and the problem of zeroes: Phonological rules can be variable. In: Christensen KR, Jørgensen H, Wood J, editors. The Sign of the V: Papers in Honour of Sten Vikner [Internet]. Aarhus, DK: AU Library Scholarly Publishing Services; 2019 [cited 2025 Jul. 4]. (Antologier). Available from: https://ebooks.au.dk/aul/catalog/book/348/chapter/97