Media type: E-Article Title: Facilitating navigation in information spaces: Road-signs on the World Wide Web Contributor: CAMPBELL, CHRISTOPHER S.; MAGLIO, PAUL P. Published: Elsevier BV, 1999 Published in: International Journal of Human-Computer Studies, 50 (1999) 4, Seite 309-327 Language: English DOI: 10.1006/ijhc.1998.0246 ISSN: 1071-5819 Origination: Footnote: