Granulation in K-type dwarf stars - II. Hydrodynamic simulations and 3D spectrum synthesis I. Ramírez, C. Allende Prieto, L. Koesterke, D. L. Lambert and M. Asplund A&A, 501 3 (2009) 1087-1101 Published online: 27 May 2009 DOI: 10.1051/0004-6361/200911741