Water deuteration and ortho-to-para nuclear spin ratio of H2 in molecular clouds formed via the accumulation of H I gasK. Furuya, Y. Aikawa, U. Hincelin, G. E. Hassel, E. A. Bergin, A. I. Vasyunin and E. HerbstA&A, 584 (2015) A124DOI: https://doi.org/10.1051/0004-6361/201527050