Wurman, Joshua; Kosiba, Karen; Robinson, Paul; Marshall, Tim (2014). “The Role of Multiple-Vortex Tornado Structure in Causing Storm Researcher Fatalities”. Bulletin of the American Meteorological Society95 (1): 31–45. Bibcode: 2014BAMS...95...31W. doi:10.1175/BAMS-D-13-00221.1.
Wurman, Joshua; Kosiba, Karen; Robinson, Paul; Marshall, Tim (2014). “The Role of Multiple-Vortex Tornado Structure in Causing Storm Researcher Fatalities”. Bulletin of the American Meteorological Society95 (1): 31–45. Bibcode: 2014BAMS...95...31W. doi:10.1175/BAMS-D-13-00221.1.