@misc{bray_grey_green_2003, 
author={Bray, D.,Hagner, C.,Grossmann, I.},
title={Grey, Green, Big Blue: three regional development scenarios addressing the future of Schleswig-Holstein},
year={2003},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Bray, D.; Hagner, C.; Grossmann, I.: Grey, Green, Big Blue: three regional development scenarios addressing the future of Schleswig-Holstein. GKSS 2003-25. 2003.}}