1. OH observations of comet Kohoutek (1973f) at 18 cm wavelength;Biraud;Astron. Astrophys.,1974
2. Comet Meier (1980q);Bockelée-Morvan;IAU Circular No. 3546,1980
3. A search for the λ 1.35-cm line of H2O in comets Kohler (1977 XIV) and Meier (1978 XXI);Crovisier;Astron. Astrophys.,1981
4. Comet Meier (1978f);Crovisier;IAU Circular No. 3226,1978
5. The OH radical in comets: Observation and analysis of the hyperfine microwave transitions at 1667 MHz and 1665 MHz;Despois;Astron. Astrophys.,1981