@inbook{Trussell1988,
author = {Trussell, J. and Vaughan, B. and Farid, S.},
title= {Determinants of birth interval length},
year = {1988},
editor = {Hallouda, A.M.},
editor = {Farid, S.},
editor = {Cochrane, S.H. },
booktitle = {Egypt demographic responses to modernization},
address = {Cairo},
publisher = {Central Agency for Public Mobilization and Statistics},
}