Bredl, C., Grewe, N., Steglich, F., & Umlauf, E. (1984). Low temperature properties
of Kondo lattice systems. In U. Eckern, A. Schmid, W. Weber, & H. Wühl (Eds.),
Proceedings of the 17th International Conference on Low Temperature Physics, LT-17 (pp.
327). Amsterdam: North-Holland.