Unger, Leopold. <br/><br/>
Z Brukseli / 
Leopold Unger. 
 - Warszawa :  Wydaw. PoMOST,  1991. 
 - x, 259 p. :  ill. ;  21 cm. 
<br/><br/> Political essays on the state of the world in the 20th century. 
<br/><br/><label>ISBN: </label>8385219072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World politics--20th century.<br/>Geopolitics--20th century.