@article{144956, author = {W O'brien and J Jia and Q Dong and T Callcott and J Rubensson and D Mueller and D Ederer}, title = {Intermediate Coupling in L2-Ld3 Core Excitons of MgO, Al2Od3 and SiO^d2,}, year = {1991}, number = {44}, month = {1991-01-01}, publisher = {Physical Review B (Condensed Matter and Materials Physics)}, language = {en}, }