A fluorescence model of the C3 radical in cometsP. Rousselot, C. Arpigny, H. Rauer, A. L. Cochran, R. Gredel, W. D. Cochran, J. Manfroid and A. FitzsimmonsA&A, 368 2 (2001) 689-699DOI: https://doi.org/10.1051/0004-6361:20000578