@conferenceObjectPart{OliveiraKrugSchmidt_1997, title={Electrically induced concentration profiles of nanoparticles in a MMA-silane matrix : a new method to obtain GRIN-lenses}, author={Oliveira, Peter William de and Krug, Herbert and Schmidt, Helmut K.}, isbn={0-8194-2558-3}, doi={http://dx.doi.org/10.22028/D291-24550}, year={1997} }