Digitization and astrometric calibration of Carte du Ciel photographic plates with Gaia DR1K. Lehtinen, T. Prusti, J. de Bruijne, U. Lammers, C. F. Manara, J.-U. Ness, H. Siddiqui, T. Markkanen, M. Poutanen and K. MuinonenA&A, 616 (2018) A185DOI: https://doi.org/10.1051/0004-6361/201832662
