Penney, David E. <br/><br/>
Perspectives in mathematics 
[by] David E. Penney. 
 - Menlo Park, Calif.,  W. A. Benjamin  [1972] 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>70166540 //r89 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA39.2  / .P45 
<br/><br/><label>Dewey Class. No.: </label>510