TY  - JOUR
A1  - Lesthaeghe, Ron
T1  - The second demographic transition: A concise overview of its development
Y1  - 2014
DO  - 10.1073/pnas.1420441111
JF  - Proceedings of the National Academy of Sciences
VL  - 111
IS  - 51
SP  - 18112
EP  - -18115

ER  -