https://spaceref.com/status-report/astrobiologist-dale-andersen-status-report-29-november-2012-lake-untersee-antarctica/
Astrobiologist Dale Andersen Status Report 29 November 2012, Lake Untersee, Antarctica - SpaceRef
Nov 29, 2012 - Space news and reference site.
29 november 2012dale andersenstatus report