Library of Congress classification :  class T :  Technology / 
Library of Congress. 
 - Washington, D.C. :  Library of Congress, Cataloging Distribution Service,  2007 
 - xiv, 792 p. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780844411613 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Library of congress.<br/>Classification--Books--Technology.