gold Bela <br/><br/>
Productivity,technology, and capital    Economic an    

 - Lexington  Lexington Books           1979 
 - xiv, 318p Bibliography chapterwise  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Working Environmental
<br/><br/><label>Dewey Class. No.: </label>X:89P0gF, L9