Monitoring of Urban Sprawl and Densification Processes in Western Germany in the Light of SDG Indicator 11.3.1 Based on an Automated Retrospective Classification Approach. - Gohar Ghazaryan; Andreas Rienow; Carsten Oldenburg; Frank Thonfeld; Birte Trampnau; Sarah Sticksel; Carsten Jürgens (Remote. Sens., 2021)