Spaceflight: The Development of Science, Surveillance, and Commerce in Space. - Roger D. Launius; Erik M. Conway; Andrew K. Johnston; Zse Chien Wang; Matthew H. Hersch; Deganit Paikowsky; David J. Whalen; Eric Toldi; Kerrie Dougherty; Peter L. Hays; Jennifer Levasseur; Ralph L. McNutt; et al. (Proc. IEEE, 2012)

Space Exploration. - Roger D. Launius (Handbook of Science and Technology Convergence, 2016)