1. Universidad de Leon; Biblioteconomía y Documentación; León Castilla y León Spain
2. CIBER; 1 Westwood Farm, New Road Newbury UK
3. CIBER Research Ltd; Newbury Berkshire RG14 7RU UK
4. Université de Lyon, Lyon 1, 69100; Villeurbanne France
5. School of Information Management; Wuhan University; Hubei 430072 China
6. Department of Library & Information Science, Faculty of Computer Science & Information Technology; University of Malaya; Kuala Lumpur 50603 Malaysia
7. Wydział Humanistyczny; Uniwersytet Warmińsko-Mazurski w Olsztynie; Olsztyn Poland