SEARCH Articles Figures Tables Anthony J. Burke and Carolina Silva Marques Da Silva Da Silva, William De Silva D’Silva Ethylene Silva Silva and V.A. Fassel -ray excited optical luminescence of the rare earths Silva and V.A. Fassel, X-ray excited optical luminescence of the rare earths Silva and VA. Fassel, X-ray excited optical luminescence of the rare earths Silva, Ferreira The Ashanti de Silva Case