@inbook{Beard1971,
author = {Beard, R.E.},
title= {Some aspects of theories of mortality, cause of death analysis, forecasting and stochastic processes},
year = {1971},
editor = {Brass, W.},
booktitle = {Biological aspects of demography},
address = {London},
publisher = {Taylor & Francis},
pages = {57--68},
}