Temperature renormalization of the magnetic excitations in S = 1/2 KCuCl3N. Cavadini, Ch. Rüegg, W. Henggeler, A. Furrer, H.-U. Güdel, K. Krämer and H. MutkaEur. Phys. J. B, 18 4 (2000) 565-571DOI: https://doi.org/10.1007/s100510070003