1. Paragliding world records tumble over four days in brazil;Ewing;Cross Country Magazine,2019
2. Cognitive function in simulated paragliding flight;Wilkes;Aerosp Med Hum Perform,2019
3. Statistiques de la Federation Francaise de Vol Libre 2015;Maurel,2016
4. Incidents and injuries in foot-launched flying extreme sports;Feletti;Aerosp Med Hum Perform,2017
5. Internet surveys;Manfreda,2008