The substellar mass function in the central region of the open cluster Praesepe from deep LBT observationsW. Wang, S. Boudreault, B. Goldman, Th. Henning, J. A. Caballero and C. A. L. Bailer-JonesA&A, 531 (2011) A164DOI: https://doi.org/10.1051/0004-6361/201015598
