Thomas, Jan Bartholomeus,  1907- <br/><br/>
Primary photoprocesses in biology/ 
by J.B. Thomas. 
 - Amsterdam :  North-Holland Pub. ,  1965. 
 - x, 323 p. :  illus. ;  23 cm. 
<br/><br/>Includes bibliograpy. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light--Physiological effect.
<br/><br/><label>Dewey Class. No.: </label>574.191 THO