@inbook{Zaba2001, author = {Zaba, B. and Timæus, I.M. and Ali, M. }, title= {Estimation of adult mortality from data on adult siblings}, year = {2001}, editor = {Zaba, B.}, editor = {Blacker, J. }, booktitle = {Brass tacks: Essays in medical demography}, address = {London}, publisher = {Athlone}, pages = {43--66}, }