Cohen, Morris Raphael. <br/><br/>
An introduction to logic and scientific method / 
Morris Raphael Cohen and Ernest Nagel. 
 - London :   Routledge & Kegan Paul,  c 1966. 
 - xiv, 467 P. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>312  312 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific method<br/> Logic.
<br/><br/><label>Dewey Class. No.: </label>160 / C66c