Accretion from debris disks onto white dwarfs - Fingering (thermohaline) instability and derived accretion ratesM. Deal, S. Deheuvels, G. Vauclair, S. Vauclair and F. C. WachlinA&A, 557 (2013) L12DOI: https://doi.org/10.1051/0004-6361/201322206