Bergmann, H., Untersuchungen zum Problem der Evidenz der inneren Wahrnehmung (Book Review) - Paulsen, J. (Periodicals Archive Online (PAO), 1909)
http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:0171-1909-014-00-000076
Keywords: CA-CI