Kastner, Bernice, Dayle Seymour. Space Mathematics. CA; 1987.
Benson, Thomas. Beginner's Guide to Aeronautic. LTP. 3-19-02
http://www.grc.nasa.gov/www/k-12/airplane.
Benson, Thomas. Beginner's Guide to Propulsion. LTP. 3-19-02
http://www.grc.nasa.gov/www/k-12/airplane/bgp.html.
Benson, Thomas. Practical Rocketry. LTP. 3-19-02
http://www.lerc.nasa.gov/WWW/K-12/TRC/Rockets/practical_rocketry.html.
Lobbia, Robert. "How Rockets Work." Space Exploration November 23, 1997: Solid Propellant
Rocket Engine. .
http://adc.gsfc.nasa.gov/adc/education/space_ex/rockwork.html
Lobbia, Robert. "How Rockets Work." Space Exploration November 23, 1997: Liquid Propellant
Rocket Engine.
http://adc.gsfc.nasa.gov/adc/education/space_ex/rockwork.html
Breaunig, Robert. Rocket and Space Technology. NASA. 10-31-01
http://users.commkey.net/Braeunig/space/.
How a solid propellant Rocket Works. NASA. 3-19-02
http://adc.gsfc.nasa.gov/adc/education/space_ex/solid.html.