1. Problems and principles in language study;Abercrombie,1963
2. Discriminability along the voicing continuum: Crosslanguage tests;Abramson,1970
3. A closed-loop theory of motor learning;Adams;Journal of Motor Behaviour,1971
4. Theoretical implications of an error analysis of second language phonology production;Altenberg;Language Learning,1983
5. The markedness differential hypothesis and syllable structure difficulty;Anderson,1983