Long, Kim The Moon Book. Boulder, Colorado: Johnson Publishing Company

Folley, Tom The Book of the Moon. Philadelphia, PA : Courage Books, c1997

http://www.atomicinsights.com/apr95/batteries.html

http://www.psrd.hawaii.edu/July98/spa.html

http://www.cmf.nrl.navy.mil/clementine/

http://www.space.com/businesstechnology/technology/rover_overview_030416.htm

http://www.acroname.com/robotics/info/PPRK/PPRK.html

www.universetoday.com/am/uploads/apollo_moon_crater.jpg

pictures of the "Trojan Guy: the Oak Ridge Botguy," free-body diagrams, and force equations were provided by Nicholas Wong, Oak Ridge Robotics vice-president

pictures of Spero, were provided by Robert Gross III, Oak Ridge Robotics image specialist.

'books' image provided by clip art

'background' image by Macromedia

'holonomic wheel' by Acroname