Proceedings of NAROO-GAIA Workshop: A new reduction of old observations in the Gaia era, Paris, France, June 20-22, 2012, ISBN 2-910015-66-1 International Workshop NAROO-GAIA "A new reduction of old observations in the Gaia era", Paris Observatory International Workshop NAROO-GAIA "A new reduction of old observations in the Gaia era", Paris Observatory, Jun 2012, Paris, France. pp. 65-70