Abramovitz Moses <br/><br/>
Resource and output trends in the United States si 

 - National Bureau of Economic Research, Occasional Paper, 52 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States Economics Conditions
<br/><br/><label>Dewey Class. No.: </label>X.73.N5, J6