Hébert, C.Pongratz, P.Aydemir, U.Beitinger, M.Grin, Y.Paschen, S.2009-02-182009-02-182009-02-182007https://infoscience.epfl.ch/handle/20.500.14299/35399TEM and EELS Investigation of Ge Based Clathratestext::conference output::conference paper not in proceedings