Studies on η meson production and the C-parity violating decay η → π0 e+ e− with WASA-at-COSYNils Hüsken, Florian Bergmann, Kay Demmich, Alfons Khoukaz and Karsten SitterbergEPJ Web of Conferences, 113 (2016) 05023DOI: https://doi.org/10.1051/epjconf/201611305023