Gillspie, Charles Coulston  <br/><br/>
Dictionary of Scientific Biography (Vol-II) 
/ Edited by Charles Coulston Gillspie 
 - New York:  Charles Scribner's Sons,  1970. 
 - 628p. 
 - Hans Berger- Christoph Buys Ballot .
<br/><br/><label>Dewey Class. No.: </label>925.03  / GIL/D