TY  - BOOK
AU  - Tinbergen Jan
TI  - Income differences:  Recent Research   
T2  - F De Vries Lectures
SN  - 0 7204 3094 1
U1  - X:31, L5 
PY  - 1975///
CY  - Amsterdam
PB  - North-Holland          
KW  - National Income
N1  - Bibliography: P 69-73
ER  -