The solar Ba 4554 Å line as a Doppler diagnostic: NLTE analysis in 3D hydrodynamical modelN. G. Shchukina, V. L. Olshevsky and E. V. KhomenkoA&A, 506 3 (2009) 1393-1404DOI: https://doi.org/10.1051/0004-6361/200912048