Molecular reorientation in pyrene hexafluoroarsenate saltsB. Pongs, T. Wokrina, S. Matejcek, C. Buschhaus and E. DormannEur. Phys. J. B, 28 3 (2002) 289-297DOI: https://doi.org/10.1140/epjb/e2002-00232-8