Ni-Co 2021: The 5th International Symposium on Nickel and Cobalt - Corby Anderson, Graeme Goodall, Sumedh Gostu, Dean Gregurek, Mari Lundström, Christina Meskers, Stuart Nicol, Esa Peuraniemi, Fiseha Tesfaye, Prabhat K. Tripathy, Shijie Wang, Yuanbo Zhang (Springer, 2021)