TY - JOUR A1 - Retscher, G. T1 - FUSION OF LOCATION FINGERPRINTING AND TRILATERATION BASED ON THE EXAMPLE OF DIFFERENTIAL WI-FI POSITIONING JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-2/W4 SP - 377 EP - 384 Y1 - 2017/09/14 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-2-W4/377/2017/ L1 - https://isprs-annals.copernicus.org/articles/IV-2-W4/377/2017/isprs-annals-IV-2-W4-377-2017.pdf DO - 10.5194/isprs-annals-IV-2-W4-377-2017 ER -