Hanson, Norwood Russell <br/><br/>
Patterns of discovery :  An inquiry into the conceptual foundations of science / 
By Norwood Russell Hanson. 
 - Cambridge [Eng.] :  University Press,  1958. 
 - ix, 240 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Philosophy