A new model for the ν1 vibrational band of HCN in cometary comae, with application to three cometsM. Lippi, G. L. Villanueva, M. A. DiSanti, H. Böhnhardt, M. J. Mumma, B. P. Bonev and D. PrialnikA&A, 551 (2013) A51DOI: https://doi.org/10.1051/0004-6361/201219903