@article{Bane1986,
author = {Bane, M.J.  and Ellwood, D.T. },
title= {Slipping into and out of poverty: The dynamics of spells},
year = {1986},
doi = {10.2307/145955},
journal = {Journal of Human Resources },
volume = {21},
number = {1},
pages = {1--23},
}