Hettstedt, C.; Frank, A.; Karaghiosoff, K.: Synthesis of two p-methoxyphenyl substituted phosphines. Phosphorus, Sulfur, and Silicon and the Related Elements 191 (10), pp. 1297 - 1301 (2016)
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