Pardini A T, Jones C S, Noble L R, Kreiser B, Malcolm H, Bruce B D, Stevens J D, Cliff G, Scholl M C, Francis M, Duffy C A, Martin A P
Department of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen AB24 2TZ, UK.
Nature. 2001 Jul 12;412(6843):139-40. doi: 10.1038/35084125.