Humphreys, Willard C. <br/><br/>
Anomalies and scientific theories  Willard C. Humphreys 

 - SanFrancisco  1968 
 - 318p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science - philosophy Hypothesis.
<br/><br/><label>Dewey Class. No.: </label>500  / H91A