TY - CONF AU - Davis, Wendy AU - Miller, Carl AU - Kennedy, Jason AU - Andersen, Carl C2 - CIE Proceedings , Beijing, CH DA - 2007-08-01 LA - en PB - CIE Proceedings , Beijing, CH PY - 2007 TI - Pilot Study on Daytime Color Appearance of Retroreflective Sheeting ER -