O'Brien, J. (1975). Wage Inflation and Wage Leadership: A Study of the Role of Key Wage Bargains in the Irish System of Collective Bargaining, General Research Series 79, Dublin: ESRI, https://www.esri.ie/publications/wage-inflation-and-wage-leadership-a-study-of-the-role-of-key-wage-bargains-in-the-irish-system-of-collective-bargaining