Batya Friedman Kristina Höök Brian T. Gill Lina Eidmar Catherine Sallmander Prien Rachel L. Severson Personlig integritet: a comparative study of perceptions of privacy in public places in Sweden and the United States. 142-151 2008 NordiCHI http://doi.acm.org/10.1145/1463160.1463176 conf/nordichi/2008 db/conf/nordichi/nordichi2008.html#FriedmanHGEPS08