1. The Norwegian Parliamentary Election of 1989;Aardal;Electoral Studies,1990
2. ‘Measures of Inequality’;Allison;American Sociological Review,1978
3. Fair Representation: meeting the ideal of one man, one vote;Balinski,1982
4. The Political Consequences of the Electoral System in the Republic of Ireland;Gallagher;Electoral Studies,1986
5. Measures of Bias and Proportionality in Seats—Votes Relationships;Grofman;Political Methodology,1983