TY - JOUR A1 - Zlatanova, S. A1 - Dragicevic, S. A1 - Sithole, G. T1 - PREFACE – ISPRS TECHNICAL COMMISSION IV MIDTERM SYMPOSIUM 2018 JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - IV-4 SP - 1 EP - 3 Y1 - 2018/09/19 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/IV-4/1/2018/ L1 - https://isprs-annals.copernicus.org/articles/IV-4/1/2018/isprs-annals-IV-4-1-2018.pdf DO - 10.5194/isprs-annals-IV-4-1-2018 ER -