Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Processes and material flow in spoilbank sediments-Zwenkau, Cospuden and Espenhain open-cast mines; Prozesse und Stoffstroeme in Kippensedimenten-Tagebaue Zwenkau, Cospuden und Espenhain. Beitraege
Marcel Machill, Alexa Rewer: Internet-Hotlines-Evaluierung und Selbstregulierung von Internet-Inhalten/Evaluation and self-regulation of Internet content