Citation: Fedin, Matvey V.; Veber, Sergey L.; Romanenko, Galina V.; Ovcharenko, Victor I.; Sagdeev, Renad Z.; Klihm, Gudrun; Reijerse, Edward; Lubitz, Wolfgang; Bagryanskaya, Elena G. (2009). Dynamic mixing processes in spin triads of “breathing crystals” Cu(hfac)2LR: a multifrequency EPR study at 34, 122 and 244 GHz. Physical Chemistry Chemical Physics, 11, pp. 6654-6663.