Ortega, Jose Luis  <br/><br/>
Academic search engines :   a quantitative outlook/ 
Jose Luis Ortega 
 - Amsterdam :   Elsevier,   2014. 
 - xxi, 198 p. 
 - Chandos Information Professional Series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781843347910 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Academic search engines
<br/><br/><label>LC Class. No.: </label>http://www.sciencedirect.com/science/book/9781843347910