TY  - BOOK
AU  - Verriest,G.
ED  - International Group Research on Colour Vision Deficiencies, Amsterdam/Leiden,June 25-27, 1975
TI  - Colour vision deficiencies 111: proceedings of the third symposium of the international group research on colour vision deficiencies, Amsterdam/Leiden, June 25-27, 1975 
SN  - 3805522975
PY  - 1975///
CY  - Basel
PB  - S. Karger
KW  - Colour vision
KW  - Testing
KW  - Congresses
ER  -