Progovac <br/><br/>
Negative and Positive Polarity 

 -  Cambridge University Press  Cambridge University Press  1994 
<br/><br/><label>ISBN: </label>9780511554308 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and Linguistics