1. Variation and optionality
2. Optimality theory in phonological acquisition;Barlow;Journal of Speech, Language, and Hearing Research,1999
3. Becker, M. , Nevins, A. , & Ketrez, N. (2008). The surfeit of the stimulus: Grammatical biases filter lexical statistics in Turkish voicing deneutralization. Available at: http://roa.rutgers.edu/. Accessed on May 26, 2009.
4. Becker, M. , Pater, J. , & Potts, C. (2007). OT-Help: Java tools for Optimality Theory. Software available online at: http://web.linguist.umass.edu/~OTHelp/.