An open-source, massively parallel code for non-LTE synthesis and inversion of spectral lines and Zeeman-induced Stokes profilesH. Socas-Navarro, J. de la Cruz Rodríguez, A. Asensio Ramos, J. Trujillo Bueno and B. Ruiz CoboA&A, 577 (2015) A7DOI: https://doi.org/10.1051/0004-6361/201424860