Hübler, MichaelMichaelHüblerPothen, FrankFrankPothen2022-09-022022-09-022021https://jlupub.ub.uni-giessen.de/handle/jlupub/7280http://dx.doi.org/10.22029/jlupub-6731enNamensnennung 4.0 Internationalddc:630Can smart policies solve the sand mining problem?