Asher, Harry. <br/><br/>
Experiments in seeing /    
Harry Asher; illustrated by C. Phillipson . 
 - New York :   Basic Books,   1963, c1961. 
 - 271 p. :    ill. ;    22 cm. 
 - Science and discovery   .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vision.--------
<br/><br/><label>Dewey Class. No.: </label>612.84 ASH