Brightness enhancement when entoptic stray light is held constant. - BARTLEY, S. HOWARD; WILKINSON, FRANK (Periodicals Archive Online (PAO), 1952)
http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1140-1952-000-00-000026
Keywords: CL-CZ