Walker, Marshall. <br/><br/>
The nature of scientific thought / 
Marshall Walker. 
 - N. J. :  Prentice-Hall,  c 1963. 
 - vii, 83 p. ;  20 cm. 
<br/><br/> Includes index 
<br/><br/>323  323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>scientific thought
<br/><br/><label>Dewey Class. No.: </label>160 / W151m