Proceedings of UASG 2021: wings 4 sustainability : unmanned aerial system in geomatics
Proceedings of UASG 2019 : unmanned aerial system in geomatics
Proceedings of SPIE. Airborne Reconnaissance XIII, San Diego, USA, 7-9 August, 1989
Proceedings of SPIE. Airborne reconnaissance 11, San Diego, USA, 17-18 August 1987