Matczak. Sebastián A <br/><br/>
Research and composition in Philosophy 

 - Louvain :  Nauwelaerts,  1968 
 - 88p.;  25 cm. 
 - Philosophical questions series;  2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metodología<br/>Investigación
<br/><br/><label>Universal Decimal Class. No.: </label>001.8