* Reeves, RR, Berggren, P, Crespo, EA, Gales, N, Northridge, SP, Sciara, GND, Perrin, WF, Read, AJ, Rogan, E, Smith, BD, and KV Waerebeek (2005).
* Reeves, RR, Berggren, P, Crespo, EA, Gales, N, Northridge, SP, Sciara, GND, Perrin, WF, Read, AJ, Rogan, E, Smith, BD, and KV Waerebeek (2005).