"SIO LOG #16". The Scripps Log. University of California, San Diego. May 20, 2006. Archived from the original on June 30, 2007. Retrieved March 20, 2009.
"SIO LOG #16". The Scripps Log. University of California, San Diego. May 20, 2006. Archived from the original on June 30, 2007. Retrieved March 20, 2009.