@inbook{Little2013,
author = {Little, J. and Dorrington, R.},
title= {The multi-exponential model migration schedule},
year = {2013},
editor = {Moultrie, T.},
editor = {Dorrington, R.E.},
editor = {Hill, A.G.},
editor = {Hill, K.},
editor = {Timæus, I.},
editor = {Zaba, B.},
booktitle = {Tools for demographic estimation},
address = {Paris},
publisher = {IUSSP},
pages = {390--402},
}