Callan, T., Layte, R., Nolan, B., Watson, D., Whelan, C., Williams, J., and Maître, B. (1999). Monitoring Poverty Trends: Data from the 1997 Living in Ireland Survey, Dublin: Stationery Office and Combat Poverty Agency, https://www.esri.ie/publications/monitoring-poverty-trends-data-from-the-1997-living-in-ireland-survey