@article{Perezgonzalez2013, author = "J Perezgonzalez", title = "{Relationship between pilot duty hours and accidents}", year = "2013", month = "6", url = "https://figshare.com/articles/journal_contribution/Relationship_between_pilot_duty_hours_and_accidents/718382", doi = "10.6084/m9.figshare.718382.v1" }