http://www.rwi.uzh.ch/dam/jcr:00572c08-af81-46b1-b39a-939e2476da51/...

http://www.rwi.uzh.ch/dam/jcr:00572c08-af81-46b1-b39a-939e2476da51/Brauer_et_al_Wissen_koennen_duerfen.pdf, Zurich Open Repository and Archive University of Zurich Main Library Strickhofstrasse 39...