Isotopic abundance of nitrogen and carbon in distant cometsJ. Manfroid, E. Jehin, D. Hutsemékers, A. Cochran, J.-M. Zucconi, C. Arpigny, R. Schulz and J. A. StüweA&A, 432 1 (2005) L5-L8DOI: https://doi.org/10.1051/0004-6361:200500009
