References

• Bogey M., Demuynck C., Destombes J.L., Walters A.D., 1991, A&A 247, L13 NASA ADS
• Cernicharo J., Kahane C., Gomez-Gonzalez J., Guelin M., 1986, A&A 167, L9 NASA ADS
• Chandra S., Sahu A., 1993, A&A 272, 700 NASA ADS
• Gensheimer P.D., Likkel L., Snyder L. E., 1992, ApJ 388, L31 NASA ADS
• Gottlieb C.A., Vrtilek J.M., Thaddeus P., 1989, ApJ 343, L29 NASA ADS
• Grev R.S., Schaefer H.F., III, 1984, J. Chem. Phys. 80, 3552
• Michalopoulos D.L., Geusic M.E., Langridge-Smith P.R.R., Smalley R.E., 1984, J. Chem. Phys. 80, 3556
• Shepherd R.A., Graham W.R.M., 1985, J. Chem. Phys. 82, 4788
• Shephard R.A., Graham W.R.M., 1988, J. Chem. Phys. 88, 3399
• Snyder L.E., Henkel C., Hollis J.M., Lovas F.J., 1985, ApJ 290, L29 NASA ADS
• Suenram R.D., Lovas F.J., Matsumura K., 1989, ApJ 193, L115
• Thaddeus P., Cummins S.E., Linke R.A., 1984, ApJ 283, L45 NASA ADS