@inbook{Clark2001,
author = {Clark, S.J.},
title= {Part 4: The Structured Population Event History Register-SPEHR},
year = {2001},
booktitle = {An Investigation into the Impact of HIV on Population Dynamics in Africa},
address = {Philadelphia, Pennsylvania},
publisher = {University of Pennsylvania},
pages = {356--378},
series = {Ph. D. dissertation in Demography},
}