TY - JOUR T1 - Circularity, evolution, sytematics and circularity JF - Journal of Evolutionary Biology Y1 - 1999 A1 - Lee, M.S.Y. SP - 724 EP - 734 KW - EVOLUTION VL - 12 ER - TY - JOUR T1 - Species concepts and species reality: salvaging a Linnean rank JF - Journal of Evolutionary Biology Y1 - 2003 A1 - Lee, M.S.Y. SP - 179 EP - 188 KW - species KW - SPECIES CONCEPTS VL - 16 ER -