Optical properties of germanium dioxide in the rutile structure.Published in:European Physical Journal B: Condensed Matter, 2005, v. 45, n. 4, p. 455, doi. 10.1140/epjb/e2005-00219-yBy:Sahnoun, M.;Daul, C.;Khenata, R.;Baltache, H.Publication type:Article