@article{id_5574, title = "MEASUREMENT OF SPIN-LATTICE RELAXATION-TIMES AT MILLIKELVIN TEMPERATURES", author = "M. Buhler, T. Fausch, E. Umlauf", journal = "Europhysics Letters", volume = "23", year = "1993", url = "http://dx.doi.org/10.1209/0295-5075/23/7/011", }