Experience of European groupings of territorial cooperation (EGTC) / published by Federal Ministry of Transport and Digital Infrastructure, Department G31 "European Spatial Development Policy/Territorial Cohesion" ; scientific support Federal Institute for Research on Building, Urban Affairs and Spatial Development (BBSR) within the Federal Office for Building and Regional Planning (BBR), Division I 3 "European Spatial and Urban Development", Dr Wilfried Görmar, Dr Rupert Kawka ; Research contractor Spatial Foresight Germany GmbH Dr Sabine ZillmerChristian Lüer