TY  - BOOK
AU  - Becker Gary S
TI  - Human capital :  A theoretical and empirical analysis, with special refernce to education   
T2  - National Bureau of Economic Research, General Series, 80
U1  - X:77ogT, K4 
PY  - 1964///
CY  - New York
PB  - National bureau of economic research     
KW  - Economic Development
ER  -