Encyclopedia of 20th-century technology / 
Colin A. Hempstead, editor ; William E. Worthington, associate editor. 
 - New York :  Routledge,  2004. 
 - 2 v.  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1579583865 (set : alk. paper)  RM1,447.80 1579584632 (vol.1 : alk. paper) 1579584640 (vol.2 : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--Encyclopedias