TY - JOUR A1 - Höttges, Jörg T1 - QKan - Management of drainage system data with QGIS T2 - Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings Y1 - 2017 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/8164 VL - 17 IS - Article 13 SP - 95 EP - 100 ER -