1. Visually observing comets. (2017) Authors: Seargent, David A. J (David Allan John), 1947- Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Comets : nature and culture /: nature and culture. (2017) Authors: Karam, P. Andrew Record Type: Book Extent: 1 online resource, illustrations (black and white, and colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗