@article {Dokic:July 2001:0003-2638:193, author = "Dokic, Jerome", author = "Pacherie, Elisabeth", title = "Shades and concepts", journal = "Analysis", volume = "61", year = "July 2001", abstract = "", pages = "193-202(10)", url = "http://www.ingentaconnect.com/content/bpl/anal/2001/00000061/00000271/art00004" doi = "doi:10.1111/1467-8284.00294" }