Linden, ErikErikLinden2023-04-132023-04-132021-01https://www.alexandria.unisg.ch/handle/20.500.14171/110761https://doi.org/10.1016/j.jairtraman.2020.101944enPandemics and environmental shocks: What aviation managers should learn from COVID-19 for long-term planningjournal article