Cairns, Charles E.  1935- <br/><br/>
Neutralization and markedness in phonological rules  [microform] / 
Charles E. Cairns 
 - Ann Arbor, Mich. :  University Microfilms International,  1968 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/>Thesis (Ph.D.) - Columbia University, 1968