Hanson Norwood Russell <br/><br/>
Obversation and explation    A guide philosophy of science. 

 - London  George Allen & Unwin         1972 
 - 84p.  cm. 
 - Essays in philosophy. .
<br/><br/><label>Standard No.: </label>135550 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R:(A), L2