1. Aeronautics and Space, 14 C.F.R. § 400–460. (2006).
2. Beard, C. A. (1934). The economic basis of politics. Transaction Publishers.
3. Booth, K. (2007). Theory of world security (Vol. 105). Cambridge University Press.
4. Borowitz, M., & Battat, J. (2016). Multidisciplinary evaluation of next steps for human space exploration: Technical and strategic analysis of options. Space Policy, 35, 33–42.
5. Broniatowski, D. A., Cardin, M. A., Dong, S., Hale, M. J., Jordan, N. C., Laufer, D. R., Matheiu, C., Owens, B. D., Richards, M. G., & Weigel, A. L. (2008). A framework for evaluating international cooperation in space exploration. Space Policy, 24(4), 181–189.