Water deuterium fractionation in the low-mass protostar NGC1333-IRAS2AF.-C. Liu, B. Parise, L. Kristensen, R. Visser, E. F. van Dishoeck and R. GüstenA&A, 527 (2011) A19DOI: https://doi.org/10.1051/0004-6361/201015519