Effect of the chemical pressure on bimagnons in antiferromagnetic insulators: CacuO2 and BacuO2 studied with Cu-L3 resonant inelastic X-ray scatteringV. Bisogni, L. J.P. Ament, C. Aruta, G. Balestrino, N. B. Brookes, F. Forte, G. Ghiringhelli, P. G. Medaglia, J. van den Brink and L. BraicovichEur. Phys. J. Special Topics, 169 (2009) 141-145DOI: https://doi.org/10.1140/epjst/e2009-00984-9