@conferenceObjectPart{SchmidtSeiferlingPhilippDeichmann_1988,
title={Development of organic-inorganic hard coatings by the sol-gel process},
author={Schmidt, Helmut K. and Seiferling, Bernhard and Philipp, Gottfried and Deichmann, K.},
isbn={0-471-62416-0},
doi={http://dx.doi.org/10.22028/D291-24338},
year={1988}
}