"Lockwood, David G" <br/><br/>
Introduction to Stratificational Linguistics 

 - \\197200ENGGPSX 
 - Harcourt Brace and World   1972  New York.  
 - ix+365p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>015546213X