@conferenceObjectPart{HandrickMohlratzerOstertagSpornSchmidt_1988, title={Experiences with sol-gel bonded high porosity alumina fiber materials for filter applications}, author={Handrick, Karin E. and Mohlratzer, August and Ostertag, Rolf and Sporn, Dieter and Schmidt, Helmut K.}, isbn={0-931837-91-X}, doi={http://dx.doi.org/10.22028/D291-24342}, year={1988} }