Association of sleep deprivation with speech volume and pitch
Roelen, Alfred L.C.; Stuut, Rutger
Safety Culture Development
Karanikas, Nektarios; Soltani, Pedram; de Boer, Robert J.; Roelen, Alfred L.C.; Arezes, Pedro
Aviation safety concerns for the future
Smith, Brian E.; Roelen, Alfred L.C.; den Hertog, Rudi