Salton, Gerard. <br/><br/>
Introduction to modern information retrieval  

 - New York :  McGraw-Hill,  c1983. 
 - xv, 448 p. :  ill. ; 
 - McGraw-Hill computer science series .
<br/><br/><label>ISBN: </label>0070544840 : 
<br/><br/><label>Dewey Class. No.: </label>025/.04