New membership determination and proper motions of NGC 1817. Parametric and non-parametric approachL. Balaguer-Núñez, C. Jordi, D. Galadí-Enríquez and J. L. ZhaoA&A, 426 3 (2004) 819-826DOI: https://doi.org/10.1051/0004-6361:20041332