Warnecke, Jörn Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;
Warnecke, J. (2019). Dynamos and Helicities in Natural Systems. Talk presented at Solar Helicities in Theory and Observations: Implications for Space Weather and Dynamo Theory. Stockholm, Schweden. 2019-03-04 - 2019-03-08.