National innovation systems :  a comparative analysis / 
edited by Richard R. Nelson. 
 - New York :  Oxford University Press,  1993. 
 - x, 541 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0195076176  RM77.27 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technological innovations.<br/>Technology and state.