Weizsacker, C. C. V. <br/><br/>
Barriers to entry; a theoretical treatment   

 - Berlin  Springer-Verlag  1980 
 - vi, 220p. 
 - Lecture notes in Economics and Mathematical systems   185 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>658.83  / W436.BE