1. Surface features and the rotation state of Halley's comet nucleus;Abergel;Annales Geophysicae,1989
2. Cyanogen jets in comet Halley;A'Hearn;Nature,1986
3. The wobbling nucleus of Halley's comet;Belton;Planetary Report,1987
4. Application of the CLEAN algorithm to cometary light curves;Belton;Bull. AAS,1988
5. A precise period for p/Halley;Belton;ESA SP-250. Exploration of Halley's Comet,1986