1. Anorganische
Chemie III − Materials Engineering and Characterization, Fakultät
für Chemie and Biochemie, Ruhr-Universität Bochum, 44780, Bochum, Germany
2. Critical
Materials Institute, Ames Laboratory, 333 Spedding Hall, Ames, Iowa 50011, United States
3. Department
of Materials Science and Engineering, Iowa State University, 2220
Hoover Hall, Ames, Iowa 50011, United States
4. Universitätsbibliothek, Universität Duisburg Essen, Universitätsstrasse
9, 45141 Essen, Germany