TY - RPRT TI - Avoiding Armageddon: Long Term Asteroid Orbit Deflection Optimization AU - Chodas, Paul AU - Chesley, Steven R. AU - Farnocchia, Davide AU - Eggl, Siegfried PY - 2018 UR - https://ntrs.nasa.gov/citations/20210006902 ID - 20210006902 ER -