Achinstein, Peter <br/><br/>
Concepts of science: a philosophical analysis / 
Peter Achinstein 
 - Baltimore  Johns Hopkins Press  1971 
 - xiii, 266 p.  21 cm. 
<br/><br/> Gratis<br/>N.Ramgopal 
<br/><br/><label>ISBN: </label>‎9780801812736 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Methodology.
<br/><br/><label>Dewey Class. No.: </label>510.018 ACH