(1989). The case for mars III: Strategies for exploration - general interest and overview ; proceedings of the Third Case for Mars Conference held July 18 - 22, 1987, at the University of Colorado, Boulder, Colorado (1. publ.). Univelt.
Chicago-Zitierstil (17. Ausg.)The Case for Mars III: Strategies for Exploration - General Interest and Overview ; Proceedings of the Third Case for Mars Conference Held July 18 - 22, 1987, at the University of Colorado, Boulder, Colorado. 1. publ. San Diego, Calif: Univelt, 1989.
MLA-Zitierstil (9. Ausg.)The Case for Mars III: Strategies for Exploration - General Interest and Overview ; Proceedings of the Third Case for Mars Conference Held July 18 - 22, 1987, at the University of Colorado, Boulder, Colorado. 1. publ. Univelt, 1989.