Lesk, Michael <br/><br/>
Understanding digital libraries 
/ by Michael Lesk 
 - 2nd ed. 
 - Elsevier:  Amsterdam,  2005. 
 - xxxi, 424p. 
<br/><br/><label>ISBN: </label>1558609245 
<br/><br/><label>Dewey Class. No.: </label>025.04  / LES/U