@article{Abell2018, author = "Emily Abell", title = "{Park Visitor as Known Hazard : Designing for Imperfect Humans to Combat "Human Error"}", year = "2018", month = "7", url = "https://kilthub.cmu.edu/articles/thesis/Park_Visitor_as_Known_Hazard_Designing_for_Imperfect_Humans_to_Combat_Human_Error_/6724532", doi = "10.1184/R1/6724532.v1" }