Melsen, Andrew G. Van. <br/><br/>
The Philosophy of Nature / 
Andrew G. Van Melsen. 
 - 2nd ed. 
 - Louvain :  Duquesne University,  1954. 
 - xii, 263 p. 
<br/><br/><label>Dewey Class. No.: </label>113  / MEL