@article{MennigSpanhelSchmidtBetzholz_1992, title={Photoinduced formation of silver colloids in a borosilicate sol-gel system}, author={Mennig, Martin and Spanhel, Lubomir and Schmidt, Helmut K. and Betzholz, Sabine}, doi={http://dx.doi.org/10.22028/D291-24399}, year={1992} }