Essays on unbalanced growth :  a century of disparity and convergence / 
edited by Egbert De Vries 
 - sGravenhage :  Mouton & Co,  1962 
 - 221 p. :  ill. ;  25 cm. 
 - Publications of the Institute of Social Studies  paperback series ;  v. 10 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business cycles<br/>Economic development