Cheun Ngen Chong Sandro Etalle Pieter H. Hartel Yee Wei Law Approximating Fair Use in LicenseScript. 432-443 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2911&spage=432 2003 conf/icadl/2003 ICADL db/conf/icadl/icadl2003.html#ChongEHL03