Magnetic resonance study of vanadium pentoxide gels - Nascimento, Otaciro Rangel; Magon, Claudio José; Lopes, L. V. S.; Donoso, José Pedro; Benavente, E.; Paez, J.; Lavayen, V.; Santa Ana, M. A.; Gonzalez, G. (Molecular Crystals and Liquid Crystals, 2006)