Some circumstances surrounding apparent movement in the line of regard. - BARTLEY, S. HOWARD; MILLER, JAMES W. (Periodicals Archive Online (PAO), 1954)
http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:1140-1954-000-00-000071
Keywords: CL-CZ