PT Journal AU Gottowik, M Glaser, C Huege, T Rautenberg, J TI Determination of the absolute energy scale of extensive air showers via radio emission: Systematic uncertainty of underlying first-principle calculations SO Astroparticle physics PY 2018 BP 87 EP 93 VL 103 DI 10.1016/j.astropartphys.2018.07.004 LA english ER