References
- Kristof , C. 2001 . “ The impact of the Internet on interlibrary loan and document delivery practice ” . In The role and impact of the Internet on library and information services , Edited by: Liu , L. G. Westport, Connecticut : Greenwood Press .
- Ariel Home page: http://www4.infotrieve.com/products_services/ariel.asp
- Relais Home page: http://www.relais-intl.com/relais/home/index.htm