1.
 |  | Title: Strategies for Mars: A Guide to Human Exploration (Science and Technology Series (Paper), Vol 86) by Carol R. Stoker, Carter Emmart, American Astronautical Society ISBN: 0877034060 Publisher: Univelt Pub. Date: 01 April, 1996 List Price: $45.00 Amazon.com Price: $45.00 |
2.
 |  | Title: Case for Mars III: Strategies for Exploration Technical (Science and Technology, Vol 75) by Case for Mars Conference 1987 University of Colorado), Carol Stoker, Carol R. Stoker, American Astronautical Society ISBN: 0877033056 Publisher: Univelt Pub. Date: 01 December, 1989 List Price: $35.00 Amazon.com Price: $35.00 |
3.
 |  | Title: Case for Mars III: Strategies for Exploration--Technology (Science and Technology Series, Vol 75) by Case for Mars Conference 1987 University of Colorado), Carol Stoker, Carol R. Stoker, American Astronautical Society ISBN: 0877033064 Publisher: Univelt Pub. Date: 01 December, 1989 List Price: $25.00 Amazon.com Price: $25.00 |
4.
 |  | Title: The Case for Mars III: Strategies for Exploration - General Interest and Overvie : Proceedings of the Third Case for Mars Conference Held July 18-22, 1987, at the Universit (Science and Technology Series V 74) by Carol R. Stoker ISBN: 0877033048 Publisher: Univelt Pub. Date: 01 December, 1989 List Price: $27.50 Amazon.com Price: $27.50 |