@inbook{Zeng1999,
author = {Zeng, Y. and Vaupel, J.W. and Zhenglian, W.},
title= {Household projection using conventional demographic data},
year = {1999},
editor = {Lutz, W.},
editor = {Vaupel, J.W.},
editor = {Ahlburg, D.A. },
booktitle = {Frontiers of Population Forecasting. Supplement to Population and Development Review volume 24},
address = {New York},
publisher = {Population Council},
pages = {59--87},
}