High-strength conducting materials based on copper: Quo vadis? by Freudenberger, J, Botcharova, E, Gaganov, A, Lyubimova, J, Schultz, L, Witte, H, Jones, H, Herrmannsdörfer, T, Zherlitsyn, S, Wosnitza, J, Givord, D, Barthem, V, Boettcher, R, Hannemann, K