Garfield, E <br/><br/>
Citation indexing : Its theory and application in science, technology and humanities 
by E Garfield 
 - London  John Wiley & Sons  1979 
<br/><br/><label>ISBN: </label>0471025593 
<br/><br/><label>Dewey Class. No.: </label>029.5 GAR/CIT;1