1. Detailed study of the CN violet (0,0) band in cometary spectra;Arpigny;Ann. D'Astrophys.,1964
2. The interaction of the solar wind with comets;Brandt;Sol. Sys. Plasma Phys.,1979
3. On the dipole moment of CO+;Certain;J. Chem. Phys.,1973
4. Production rate and origin of H2O+ in Comet Bennet 1970II;Delsemme;Astrophys. J.,1976
5. Detection of interstellar CO+ toward OMC-1;Erickson;Astrophys. J.,1981