@conferenceObjectPart{OstertagRinnTünkerSchmidt_1989,
title={Preparation and properties of sol-gel derived PZT powders},
author={Ostertag, Rolf and Rinn, Günter and Tünker, Gerhard and Schmidt, Helmut K.},
doi={http://dx.doi.org/10.22028/D291-24346},
year={1989}
}