TY - JOUR AU - O'brien, W AU - Jia, J AU - Dong, Q AU - Callcott, T AU - Rubensson, J AU - Mueller, D AU - Ederer, D C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1991-01-01 LA - en M1 - 44 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1991 TI - Intermediate Coupling in L2-Ld3 Core Excitons of MgO, Al2Od3 and SiO^d2, ER -