1. A High Resolution Solar Atlas for Fluorescence Calculations;A'Hearn,1983
2. OH observation of Comet Kohoutek (1973f) at 18 cm wavelength;Biraud;Astron. Astrophys.,1974
3. Observation of the Comet Kohoutek (1973f) in the resonance light (A2Σ+−X2π) of the OH radical;Blamont;Icarus,1974
4. Observations of the OH radical in comets at 18-cm wavelength;Bockelée-Morvan;Icarus,1981
5. Radio observations of the hydroxyl radical in comets with high spectral resolution: kinematics and asymmetries of the OH coma in C/Meier (1978XXI), C/ Bradfield(1979X) and C/Austin(1982g);Bockelée-Morvan;Astron. Astrophys.,1984