TY  - BOOK
AU  - Tinbergen,Jan
TI  - Income differences: recent research 
T2  - Professor Dr. F. de Vries lectures
SN  - 0444110542
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland Publishing Company
KW  - Income distribution
N1  - Bibliography : p. 69-73
ER  -