Distances to molecular clouds at high galactic latitudes based on Gaia DR2Qing-Zeng Yan, Bo Zhang, Ye Xu, Sufen Guo, Jean-Pierre Macquart, Zheng-Hong Tang and Andrew John WalshA&A, 624 (2019) A6DOI: https://doi.org/10.1051/0004-6361/201834337