Reichert, A.; Tacke, K.-H.; Harste, K.; Hecht, M.; Heilemann, J.; Ölmann, U.; Schwerdtfeger, K.; Barber, B.; Beaverstock, R. C.; Warmsley, R.: Strand reduction in continuous casting and its effect on product quality. European Commission, Luxembourg, Luxembourg (2002), 154 pp.
If manganese nodules can be mined in an environmentally friendly way, the critical metals needed for the energy transition could be produced with low CO2 emissions