Clark, Ronald W. <br/><br/>
Works of man 
Ronald W. Clark 
 - New York  Viking  1985 
 - 352 p. : ill. ; 25 cm. 
<br/><br/>p. 343-352 
<br/><br/><label>ISBN: </label>0670804835 
<br/><br/><label>LCCN: </label>83-40674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--History