Cohen, Morris R. <br/><br/>
An introduction to logic and scientific method 

 - New York :  Harcourt,  1935 
 - 467 p. 
<br/><br/><label>LCCN: </label>22097 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciencia--Metodología.<br/>Lógica.
<br/><br/><label>Dewey Class. No.: </label>500.18  / C6