Trajtenberg, Manuel <br/><br/>
Economic analysis of product innovation :  the case of CT scanners / 
Manuel Trajtenberg 
 - Cambridge, Mass. :  Harvard University Press,  1990 
 - x, 236 p. :  ill. ;  24 cm. 
 - Harvard economic studies  v.160 .
<br/><br/>p. (227)-232 
<br/><br/><label>ISBN: </label>0674225406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medical imaging equipment industry<br/>Tomography, Emission--Equipment and supplies<br/>New products--Management--Case studies