%0 Generic %E Allen, Marc. %@ 9781600866920 %T NASA Space Science Vision Missions %U https://ezaccess.libraries.psu.edu/login?url=http://dx.doi.org/10.2514/4.866920 %U https://ezaccess.libraries.psu.edu/login?url=http://arc.aiaa.org/action/showBook?doi=10.2514%2F4.866920