TY - JOUR A1 - Cledat, E. A1 - Cucci, D. A. T1 - MAPPING GNSS RESTRICTED ENVIRONMENTS WITH A DRONE TANDEM AND INDIRECT POSITION CONTROL JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-2/W3 SP - 1 EP - 7 Y1 - 2017/08/18 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-2-W3/1/2017/ L1 - https://isprs-annals.copernicus.org/articles/IV-2-W3/1/2017/isprs-annals-IV-2-W3-1-2017.pdf DO - 10.5194/isprs-annals-IV-2-W3-1-2017 ER -