Schmidt, P. Max Planck Institute for Radio Astronomy, Max Planck Society;
http://hss.ulb.uni-bonn.de/2016/4488/4488.htm (Any fulltext)
Schmidt, P. (2016). The Radio Continuum Halos of the Edge-on Galaxies NGC 891 and NGC 4565. PhD Thesis, Universität Bonn, Bonn.