@inbook{George2001,
author = {George, M.V. and Smith, S.K. and Swanson, D.A. and Tayman, J.},
title= {Population projections},
year = {2001},
editor = {Siegel, J.},
editor = {Swanson, D.A. },
booktitle = {The methods and materials of demography},
address = {San Diego},
publisher = {Elsevier Academic Press},
pages = {561--601},
}