Melsen, Andreas Gerardus Maria Van <br/><br/>
The philosophy of nature. 

 - Pittsburgh  Duquesne University Press  1959 
 - xii, 263 p.  26 cm. 
 - Duquesne studies. Philosophical series, 2. .
<br/><br/> Second edition. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy of nature