Ajdukiewicz, Kazimierz <br/><br/>
Problems and theories of philosophy 
Ajdukiewicz, Kazimierz 
 - Cambridge  Cambridge university press          1973 
 - xxi,170 p.  includes bibliographical references and index  cm. 
<br/><br/><label>ISBN: </label>0521099935 
<br/><br/><label>Source: </label> Reference