1. Nedkvitne, E.N., Eriksen, D.Ø., and Omtvedt, J.P. (2023). Grade and Tonnage Comparison of Anthropogenic Raw Materials and Ores for Cu, Zn, and Pb recovery. Resources, 12.
2. Variation in chemical composition of MSWI fly ash and dry scrubber residues;Nedkvitne;Waste Manag.,2021
3. Hjelmar, O., van der Sloot, H., and van Zomeren, A. HP classification of European incinerator bottom ash (IBA). DHI & ECN Published by the Confederation of European Waste-to-Energy Plants (CEWEP) (February 2013).
4. Rydberg, J., Cox, M., Musikas, C., and Choppin, G.R. (2004). Solvent Extraction Principles and Practice, Marcel Dekker Inc.. [2nd ed.].
5. The Principle and Applications of Ammonia Leaching of Metals—A Review;Meng;Miner. Process. Extr. Metall. Rev.,1996