Barra, A. L. High Magnetic Field Laboratory, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;
Rusu, D., Craciun, C., Barra, A. L., David, L., Rusu, M., Rosu, C., et al. (2001). Spectroscopic and electron paramagnetic resonance behavior of trinuclear metallic clusters encapsulated in [Mn+3(H2O)x(BiW9O33)2](18-3n)- heteropolyanion (Mn+ = (VO)II, x=0 and Mn+ = CrIII, MnII, FeIII, CoII, NiII, CuII, x=3). Journal of the Chemical Society Dalton Transactions, 2001(19), 2879-2887.