1. Cosmic impact : understanding the threat to earth from asteroids and comets /: understanding the threat to earth from asteroids and comets. (2019) Authors: (Freelance writer), May, Andrew Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Planetary defense : global collaboration for defending Earth from asteroids and comets /: global collaboration for defending Earth from asteroids and comets. ([2019]) Editors: Schmidt, Nikola Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Cosmic impact : understanding the threat to Earth from asteroids and comets /: understanding the threat to Earth from asteroids and comets. (2019) Authors: May, Andrew (Andrew James) Record Type: Book Extent: 1 online resource (1 volume) View Content: Available online (eLD content is only available in our Reading Rooms) ↗