O1s and Mn2p NEXAFS on single-layered La1-xSr1+xMnO4: crystal field effect versus orbital coupling mechanismM. Merz, P. Reutler, B. Büchner, D. Arena, J. Dvorak, Y. U. Idzerda, S. Tokumitsu and S. SchupplerEur. Phys. J. B, 51 3 (2006) 315-319DOI: https://doi.org/10.1140/epjb/e2006-00228-4