International Journal
Year of publication
1998
Author
Publisher
Elsevier
Volume
107
Pagination
177-194
Keywords
Journal
Information Sciences
Number
1
URL
http://www.sciencedirect.com/science?_ob=MImg\&_imagekey=B6V0C-3TKS65B-1R-3\&_cdi=5643\&_user=723053\&_orig=browse\&_coverDate=06\%2F30\%2F1998\&_sk=998929998\&view=c\&wchp=dGLzVtz-zSkzS\&md5=38ae8adc7fe37396a8978ff768794ddf\&ie=/sdarticle.pdf
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