@article {Cross-National1989,
title = {Cross-National Poverty Comparisons Using Relative Poverty Lines:  An Application and Some Lessons},
year = {1989},
url = {https://www.esri.ie/publications/cross-national-poverty-comparisons-using-relative-poverty-lines-an-application-and-some-lessons},
author = {Nolan, B., and Callan, T.},
journal = {ESRI Working Paper 9},
}