BookBook oder vierte Kulturtechnik? Wer Erfolg will, muss die Treppe nehmen. - Michael Haertel (HMD Prax. Wirtsch., 2015)

Investigating the Use of High Resolution Multi-spectral Satellite Imagery for Crop Mapping in Nigeria - Crop and Landuse Classification using WorldView-3 High Resolution Multispectral Imagery and LANDSAT8 Data. - Tunrayo Alabi; Michael Haertel; Sarah Chiejile (GISTAM, 2016)