Salter, W.E.G. <br/><br/>
Productivity and technical change 
by W.E.G. Salter 
 - Cambridge  Cambridge University Press  1960 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor productivity.<br/>Technological innovations
<br/><br/><label>Dewey Class. No.: </label>T2531 Sa37