The 12C2/12C13C isotopic ratio in comets C/2001 Q4 (NEAT) and C/2002 T7 (LINEAR)P. Rousselot, E. Jehin, J. Manfroid and D. HutsemékersA&A, 545 (2012) A24DOI: https://doi.org/10.1051/0004-6361/201219265
