Symposium held at Institut fur tier physiology(Ruhr-Universital Bochum/W. Germany:1972) <br/><br/>
Biochemisttry and physiology of Visual rigments: symposium held at Institut fur tier physiology, Ruhr-Universital Bochum/W. Germany August 27-30, 1972    edited by Helmut Langer 

 - Herlin  Springer-Verlag  1973 
 - xiii, 363p., ill. 24cm. 
<br/><br/><label>ISBN: </label>3-540-06204-1. 
<br/><br/><label>Dewey Class. No.: </label>591.15  / L59P