Palm, M.; Thomas, N.; Inden, G.: The Fe–Al–Ti System. In: Revue de Métallurgie, SF2M - JA96, p. 197. SF2M - JA96, Paris, France, October 15, 1996 - October 17, 1996. (1996)
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