1. The near-infrared polarisation and colour of comet P/Halley;Brooke;Astron. Astrophys.,1987
2. Polarimetry of grains in the coma of P/Halley. I. Observations;Dollfus;Astron. Astrophys.,1987
3. Comet color changes with solar distance;Hartmann;Icarus,1984
4. Polarimetry of comet P/Halley;Kikuchi;Astron. Astrophys.,1987
5. The dust tail of comet P/Halley in April 1986;Lamy;Astron. Astrophys.,1987