"Ask the Crew: STS-111". National Aeronautics and Space Administration. June 19, 2002. Archived from the original on September 28, 2015. Retrieved September 10, 2015.
Lu, Ed (September 8, 2003). "Day in the Life". National Aeronautics and Space Administration. Archived from the original on September 1, 2012. Retrieved September 10, 2015.
"Ask the Crew: STS-111". National Aeronautics and Space Administration. June 19, 2002. Archived from the original on September 28, 2015. Retrieved September 10, 2015.
Lu, Ed (September 8, 2003). "Day in the Life". National Aeronautics and Space Administration. Archived from the original on September 1, 2012. Retrieved September 10, 2015.