1. ISS Microgravity Environment: http://stationpayloads.jsc.nasa.gov/D-aboutiss/D6.html#microgravity (Last accessed22December 2004)
2. http://www.lerc.nasa.gov/WWW/MMAP/PIMS/HTMLS/reportlist.html,last accessed Dec.7,2004.
3. Jules, K., Hrovat, K., and Kelly, E. M. "International Space Station Increment-2, Quick Look Report, May to June2001,"NASATM-2002-211200,January2002.
4. Jules, K., Hrovat, K., Kelly, E. M., McPherson, K. M., and Reckart, T. A. "International Space Station Increment-2MicrogravityEnvironment Summary Report," NASA TM-2002-211335,January2002.