TY - GEN T1 - Photospheric Logarithmic Velocity Spirals as MHD Wave Generation Mechanisms T2 - arXiv PY - 2015/01/08 AU - Mumford SJ AU - Erdélyi R ED - DO - DOI: 10.48550/arxiv.1501.01871 Y2 - 2025/12/11 ER -