Rangelov, T. (2019). The bilabial trills of Ahamb (Vanuatu): Acoustic and articulatory
properties. In S., Calhoun, P., Escudero, M., Tabain, & P., Warren (Eds.), Proceedings of the 19th International Congress of Phonetic Sciences, Melbourne, Australia 2019
(pp. 1292-1296). Canberra, Australia: Australasian Speech Science and Technology Association Inc.