Winfield Ricahrd Dian <br/><br/>
Just economy 

 - New York  Routledge           1988 
 - 252p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientific Method
<br/><br/><label>Dewey Class. No.: </label>Y:(R), M8