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