TY - GEN T1 - Forward modelling of sub-photospheric flows for time-distance helioseismology T2 - arXiv PY - 2007/03/05 AU - Shelyag S AU - Erdelyi R AU - Thompson MJ ED - DO - DOI: 10.48550/arxiv.astro-ph/0703067 Y2 - 2025/12/11 ER -