Carnegie Mellon. Navlab: The Carnegie Mellon University Navigation Laboratory. The Robotics Institute. [2014-12-20]. (原始内容存档于2011-08-28). Kanade, Takeo
Applications International Corporation/U.S.Department of Energy, National Energy TechnologyLaboratory. February 2005 [2009-11-28]. (原始内容 (PDF)存档于2009-12-15).
from air. Los Alamos NationalLaboratory. [2015-11-16]. (原始内容存档于2017-01-27). Donnelly, John. Price rise and new deep-water technology opened up offshore