TY  - JOUR
A1  - Becker, G.S.
A1  - Glaeser, E.L.
A1  - Murphy, K.M. 
T1  - Population and economic growth
Y1  - 1999
DO  - 10.1257/aer.89.2.145
JF  - American Economic Review, Papers and Proceedings 
VL  - 89
IS  - 2

ER  -