Hancock JN, Chabot-Couture G, Li Y, Petrakovskiǐ GA, Ishii K, Jarrige I, Mizuki J, Devereaux TP, Greven M. Resonant inelastic x-ray scattering in electronically quasi-zero- dimensional CuB2 O4. Physical Review B - Condensed Matter and Materials Physics. 2009;(9).