Charles Sheppard of the Department of Biological Sciences, University of Warwick, UK. http://www.cordio.org/reports/CORDIO_Status_Report_1999.pdf Royal Naval Birdwatching Society expedition report, covering breeding seabirds on Diego Garcia and its surrounding islets, published in Sea Swallow (Carr 1998).
CORDIO, SAREC Marine Science Program, département de zoologie, Université de Stockholm, Stockholm.