References
- Rodgers, E., Barsoum, C., Williams-Byrd, J., Arney, D. C., Simon, M. A., Williams, P. A., Cowan, T., Hay, J., Larman, K., and Burg, A. 2016. Graphical visualization of human exploration capabilities. American Institute of Aeronautics and Astronautics, Sept 16. doi: 10.2514/6.2016-5422