@InProceedings{BNMC_ICAS2018, author = "Swee Balachandran and Anthony Narkawicz and C{\'e}sar Mu{\~{n}}oz and Mar{\'{\i}}a Consiglio", title = "A geofence violation prevention mechanism for small {UAS}", booktitle = "Proceedings of 31st Congress of the International Council of the Aeronautical Sciences, ICAS 2018", address= "Bello Horizonte, Brazil", month="September", year = "2018" }