Previous Article Next Article Table of Contents Color Research and Application, Vol.25, No.1, 79-80, 2000 DOI10.1002/(SICI)1520-6378(200002)25:1<79::AID-COL14>3.0.CO;2-I Export Citation On witt's geometric relations between scales of small colour differences Kuehni RG Please enable JavaScript to view the comments powered by Disqus.