@conferenceObjectPart{MennigSchmidtFink_1991, title={Synthesis and properties of sol-gel derived AgClxBr1-x colloid containing sodium alumo borosilicate glasses}, author={Mennig, Martin and Schmidt, Helmut K. and Fink, Claudia}, isbn={0-8194-0721-6}, doi={http://dx.doi.org/10.22028/D291-24387}, year={1991} }