@Article{	  MacAdam42,

author = {D. L. MacAdam},
title = {Visual sensitivities to color differences in daylight},
journal = {Journal of the Optical Society of America},
year = {1942},
volume = {32},
number = {5},
month = may,
pages = {247--274},
theme = {vision,perception,ecarts,apparence,colorimetrie}
 }