Lave, Lester B <br/><br/>
Technological change  its conception and measurement 

 - New Jersey  Prentice - Hall, Inc  1966 
 - xx, 228p.; ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macro economic models<br/>Measurement<br/>Technological change<br/>United states agriculture 1850-1958