Colour vision deficiencies VI  proceedings of the Sixth Symposium of the International Research Group on Colour Vision Deficiencies held at the Klinikum der Freien Universitat, (West) Berlin-Steglitz, 17-19 September 1981 
edited by G. Verriest 
 - The Hague :  W. Junk,  1982 
 - ix, 521 p.  ill. ;  24 cm 
 - Documenta Ophtalmologica  v. 33 .
<br/><br/><label>ISBN: </label>9061937299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color blindness--Congresses<br/>Color perception tests--congresses
<br/><br/><label>National Library of Medicine Call No.: </label>WW150  / .I602c 1981