@article{Gerland2014,
author = {Gerland, P. and Raftery, A.E. and Ševčíková, H. and Li, N. and Gu, D. and Spoorenberg, T. and Alkema, L. and Fosdick, B.K. and Chunn, J. and Lalic, N.},
title= {World population stabilization unlikely this century},
year = {2014},
doi = {10.1126/science.1257469},
volume = {346},
number = {6206},
pages = {234--237},
}