Water Security in AsiaMukand S. Babel, Andreas Haarstrick, Lars Ribbe, Victor Shinde, Norbert Dichtl · First published 2020Open the Tome
AnaerobtechnikKarl-Heinz Rosenwinkel, Helmut Kroiss, Norbert Dichtl, Carl Franz Seyfried, Peter Weiland · First published 2005Open the Tome
