Herbert, Robert K. Language universals, markedness theory, and natural phonetic process Robert K. Herbert - Berlin Mouten de Gruyter 1986 - 299p. ill. 24cm. - Trends in linguistics.Studies and monographs v.25 . Bibliography:p 278-299 ISBN: 0899251234 LCCN: 85-31927 Subjects--Topical Terms: ConsonantsNasality (Phonetics)Universals (Linguistics)Markedness (Linguistics)