長音素
Suomi, Kari. Temporal conspiracies for a tonal end: Segmental durations and accentual f0 movement in a quantity language. Journal of Phonetics, Volume 33, Issue 3, July 2005, pages 291-309.
Phonetics of Finnish: Quantity and duration of vowels & consonants
「長さ音素」亀井孝、河野六郎、千野栄一『言語学大辞典 第6巻 術語編』(三省堂、1996)p.1031(ISBN 4385152187)