TY  - JOUR
A1  - Lawson, D.W. 
A1  - Borgerhoff Mulder, M. 
T1  - The offspring quantity–quality trade-off and human fertility variation
Y1  - 2016
JF  - Philosophical Transactions of the Royal Society B: Biological Sciences 
VL  - 371
IS  - 1692

ER  -