Binary nature and elemental abundances of 2 Lyn and HD 169981 H. Lehmann, I. Egorova, G. Scholz, G. Hildebrandt and S. M. Andrievsky A&A, 402 1 (2003) 229-235 Published online: 07 April 2003 DOI: 10.1051/0004-6361:20030253