Can you see green or blue? On the necessity of visibility analysis of urban open spaces using Remote Sensing techniques and Geographic Information Systems. - Anna-Maria Bolte; Theo Kötter; Sophie Schuppe (JURSE, 2019)

A Framework for Scaling Urban Transformative Resilience through Utilizing Volunteered Geographic Information. - Mahsa Moghadas; Abbas Rajabifard; Alexander Fekete; Theo Kötter (ISPRS Int. J. Geo Inf., 2022)