Search for associations containing young stars (SACY) - I. Sample and searching method C. A. O. Torres, G. R. Quast, L. da Silva, R. de la Reza, C. H. F. Melo and M. Sterzik A&A, 460 3 (2006) 695-708 Published online: 12 September 2006 DOI: 10.1051/0004-6361:20065602