EXCITATION TRANSFER WITHIN THE OPTICALLY EXCITED DOUBLET Ē(2E) IN RUBY J.G.M. van Miltenburg, G.J. Jongerden, J.I. Dijkhuis et H.W. de Wijn J. Phys. Colloques, 46 C7 (1985) C7-103-C7-107 DOI: 10.1051/jphyscol:1985720