@conference{conference, author = {Irena Fryc and Steven Brown and Yoshihiro Ohno}, title = {A Spectrally Tunable LED Sphere Source Enables Accurate Calibration of Tristimulus Colorimeters}, year = {2004}, month = {2004-10-22}, publisher = {Conference Lightmetry {\textquoteright}04, Warsaw, PL}, language = {en}, }