Photon detection in ring imaging Cherenkov counters / Hans JansenThe technique of Čerenkov ring image detection / Dirk LangerveldMacroscopic modelling of radio emission from ultra-high-energy-cosmic-ray-induced air showers / Krijn Dominique de VriesMacroscopic modelling of radio emission from ultra-high-energy-cosmic-ray-induced air showers / Krijn Dominique de Vries