Lars Weitkämper

Lignite ash: Waste material or potential resource - Investigation of metal recovery and utilization options

W. Sand, S. Reichel, M. Bertau, 2017 .

Recovery of Catapleiite and Eudialyte from Non-Magnetic Fraction of Eudialyte ore Processing of Norra Kärr Deposit

H. Wotruba, Lars Weitkämper, C. Büchter, 2021, Minerals.