1. Giotto spacecraft dynamics during the encounter with comet Halley;Bird;ESA J.,1988
2. Radar observations of comet Halley;Campbell;Astrophys. J.,1989
3. Fireball and heights: A diagnostic for the structure of meteoric material;Ceplecha;J. Geophys. Res.,1976
4. Position of comet P/Halley at the Giotto encounter;Curdt;Astron. Astrophys.,1988
5. Collisions with cometary dust recorded by the Giotto HMC camera;Curdt;ESAS J.,1988