@conferenceObjectPart{MennigFriesLindenstruthSchmidt_1999,
title={Development of fast switching photochromic coatings on transparent plastics and glass},
author={Mennig, Martin and Fries, Kira and Lindenstruth, Marion and Schmidt, Helmut K.},
isbn={0-444-50247-5},
doi={http://dx.doi.org/10.22028/D291-24621},
year={1999}
}