Encyclopedia of library and information science. Vol.72   
ed by Allen Kent and Carolyn M. Hall 
 - New York  Marcel Dekker  2002 
 - vi, 393p 
<br/><br/><label>ISBN: </label>0824720741 
<br/><br/><label>Dewey Class. No.: </label>020.3  / N68.72 "R"