イアン・マディソン
Ladefoged, Peter; Maddieson, Ian (1996). The Sounds of the World's Languages. Oxford: Wiley-Blackwell. ISBN 978-0631198154。 Based on data from about 400 languages, the book describes the known contrasting phonetic categories, the ways in which the phonemic sounds may differ in human languages.
Maddieson, Ian, Patterns of Sounds, Cambridge University Press, 1984, ISBN 0-521-26536-3 Cambridge University Press, 2009, ISBN 0-521-11326-1 The book analyzes the frequencies and distributions of the phonemic sounds among languages. The results are based on UPSID (the UCLA Phonological Segment Inventory Database).