@article{Hamamatsu2014,
author = {Hamamatsu, Y. and Inoue, Y. and Watanabe, C. and Umezaki, M.},
title= {Impact of the 2011 earthquake on marriages, births and the secondary sex ratio in Japan},
year = {2014},
doi = {10.1017/S0021932014000017},
volume = {46},
number = {6},
pages = {830},
}