1. The discovery of S2 in comet IRAS-Araki-Alcock;A'Hearn;Astrophys J.,1983
2. A high resolution solar atlas for fluorescence calculations;A'Hearn,1983
3. S2: A clue to the origin of cometary ice?;A'Hearn,1985
4. Franck-Condon factors for the B-X system of S2;Anderson;J. Chem. Phys.,1979
5. Proposed water velocity and temperature radial profiles appropriate to comet Halley flyby conditions;Crifo,1989