Mowery, David C. <br/><br/>
Paths of innovation : technological change in 20th-century America / 
David C. Mowery, Nathan Rosenberg. 
 - Cambridge :  Cambridge University Press,  1998. 
 - 214p. :  ill. ;  24cm. 
<br/><br/><label>ISBN: </label>0521641195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--History--United States--20th century.<br/>Internal combustion engines--History--United States--20th century.<br/>Electric engineering--History--United States--20th century.<br/>Chemical engineering--History--United States--20th century.