Nicholas, David <br/><br/>
Online searching   its impact on information users 
David Nicholas 
 - London  Manshell  1987 
 - vii, 160p. 
 - British library R & D report   no. 5944 .
<br/><br/><label>ISBN: </label>0720118875 
<br/><br/><label>Dewey Class. No.: </label>025.524 N514 O