TY  - JOUR
A1  - Guinnane, T.W.
A1  - Okun, B.S.
A1  - Trussell, J.
T1  - What do we know about the timing of fertility transitions in Europe?
Y1  - 1994
DO  - 10.2307/2061905
VL  - 31
IS  - 2

ER  -