Killeffer, David  Herbert  1895- <br/><br/>
How did you think of that? :  An introduction to the scientific me thod / 
by David H. Killeffer. 
 - Washington :  American Chemical Society ,  c1969. 
 - 153 p. ;  22 cm. 
 - Chemistry in action series .
<br/><br/> "Prepared under the sponsorship of the Manufacturing Chemists' Assoc iation." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Methodology.
<br/><br/><label>Dewey Class. No.: </label>501 KIL