@inbook{Hachadoorian2011,
author = {Hachadoorian, L. and Gaffin, S.R. and Engelman, R.},
title= {Projecting a gridded population of the world using ratio methods of trend extrapolation},
year = {2011},
doi = {10.1007/978-3-642-16707-2_2},
editor = {Cincotta, R.P.},
editor = {Gorenflo, L.J.},
booktitle = {Human population: Its influences on biological diversity},
address = {Berlin},
publisher = {Springer-Verlag},
pages = {13--15},
}