Crestani, Fabio <br/><br/>
Information retrieval  unvertainty and logics advanced models for the representa 
Fabio Crestani 
 - London  Kluwer Academic  1998 
 - xxi,323 
 - The Kluwer international series on information retrival .
<br/><br/><label>ISBN: </label>792383028  P 71.50