Deriving precise parameters for cool solar-type stars - Optimizing the iron line list M. Tsantaki, S. G. Sousa, V. Zh. Adibekyan, N. C. Santos, A. Mortier and G. Israelian A&A, 555 (2013) A150 Published online: 17 July 2013 DOI: 10.1051/0004-6361/201321103