素性階層理論
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Mielke, Jeff. 2008. The Emergence of Distinctive features. Oxford University Press. Chicago
Reiss, Charles. 2003. "Quantification in structural descriptions: Attested and unattested patterns." Linguistic review, 20(2/4), 305-338.
Sagey, Elizabeth Caroline, 1986. The representation of features and relations in non-linear phonology. Cambridge, MA: MIT dissertation.