@conferenceObjectPart{MennigFriesSchmidt_1999,
title={Photochromic organic-inorganic hybrid nanocomposite hard coatings with tailored fast switching properties},
author={Mennig, Martin and Fries, Kira and Schmidt, Helmut K.},
isbn={1-558-99483-1},
doi={http://dx.doi.org/10.22028/D291-24628},
year={1999}
}