1. Bob Mitchell interview by author, JPL, 5 February 2008.
2. Trina Ray interview by author, 22 October 2008, JPL.
3. Manuel Grande, “The Saturn Tour,”
http://www.sstd.rl.ac.uk/news/cassini/mission/tour.html
, U.K. Cassini Home Page, Space Science and Technology Dept. at Rutherford Appleton Laboratory, last updated 1 July 2004, accessed 20 May 2009.
4. Amy Roth (from Skepchick.org) interview with John Smith, Cassini Mission Planner, “Keep Your Day Job: Cassini Tour Designer,” found in the NHRC folder, U:\PA\Codeiq\contract historians electronic files.
5. Brent Buffington, speaking in the NASA-JPL Web video, “The Tour Designers: Charting Cassini’s Next Moves,”
http://www.jpl.nasa.gov/video/index.cfm?id=678
, JPL Videotape Master Library no. AVC-2007-062-1/1 (5 Apr. 2007), accessed 18 May 2009.