Some literature
Nature:
- www.nature.com/nature.debates/e-access/Articles/roosendaal.html
Bibliothek und Forschung:
- www.bibliothek-saur.de/preprint/2002/roosenda_end.pdf
Serials 15(1), 2002, 51—56
Information Services and Use, 21 (2001) 13-32
Journal of Business Ethics, 34 (2001) 87 - 100