@conferenceObjectPart{MennigBeckerSchmittSchmidt_1995, title={AU-colloids containing optical active waveguides by sol-gel processing and (nonlinear) optical properties}, author={Mennig, Martin and Becker, Ulrich and Schmitt, Mike and Schmidt, Helmut K.}, isbn={88-86538-10-3}, doi={http://dx.doi.org/10.22028/D291-24485}, year={1995} }