Radiative transfer simulation of water rotational excitation in comets - Comparison of the Monte Carlo and escape probability methodsV. Zakharov, D. Bockelée-Morvan, N. Biver, J. Crovisier and A. LecacheuxA&A, 473 1 (2007) 303-310DOI: https://doi.org/10.1051/0004-6361:20066715