BLONDEL, J. (1969) Introduction to Comparative Government. Boston: Little, Brown.
2.
BLONDEL, J. (1968) “Party systems and patterns of government in Western democracies.”Canadian J. of Political Science1: 180–203.
3.
COLEMAN, S. (1975) The Measurement and Analysis of Political Systems. New York: John Wiley.
4.
CURIE, D. (1963) Luminescence in Crystals. London: Methuen.
5.
DODD, L. (1976) Coalitions in Parliamentary Government. Princeton: Princeton Univ. Press.
6.
DUVERGER, M. (1954) Political Parties. New York: John Wiley.
7.
KESSELMAN, M. (1966) “French local politics: a statistical examination of grass roots consensus.”Amer. Political Science Rev.60 (December): 963–973.
8.
Keesings Contemporary Archives (1965–1976).
9.
KITTEL, C. (1956) Introduction to Solid State Physics. New York: John Wiley.
10.
LAAKSO, M. (1977) “Proportional methods of representation and fragmentation of the Finnish political system.” (in Finnish) Politiikka No. 3: 202–225.
11.
LAAKSO, M. and R. TAAGEPERA (1979) “Proportional representation and effective number of parties in Finland.” (unpublished)
12.
LANDAU, L. D. and E. M. LIFSHITZ (1958) Quantum Mechanics. London: Pergamon.
13.
LIJPHART. A. (1968) “Typologies of democratic systems.”Comparative Political Studies1 (April): 3–44.
14.
NILSON, S. (1974) “The consequences of electoral laws.”European J. of Political Research2 (September): 283–290.
15.
PRZEWORSKI, A. (1975) “Institutionalization of voting patterns, or is mobilization a source of decay?”Amer. Political Science Rev.69 (March): 49–67.
16.
PRZEWORSKI, A. and J. SPRAGUE (1971) “Concepts in search of explicit formulation: a study in measurement.”Midwest J. of Political Science15 (May): 187.
17.
RAE, D. (1971) “Comment on Wildgen's ‘The measurement of hyperfractionalization.’”Comparative Political Studies4 (July): 244–245.
18.
RAE, D. (1968) “A note on the fractionalization of some European party systems.”Comparative Political Studies1 (October): 413–418.
19.
RAE, D. (1967) The Political Consequences of Electoral Laws. New Haven, CT: Yale Univ. Press.
20.
RAE, D. and M. TAYLOR (1970) The Analysis of Political Cleavages. New Haven, CT: Yale Univ. Press.
21.
RICHARDS, J. A., F. W. SEARS, R. WEHR, and M. W. ZEMANSKY (1960) Modern University Physics. Reading, MA: Addison-Wesley.
22.
ROKKAN, S. and T. HJELLUM (1966) “Norway: the Storting election of September 1965.”Scandinavian Political Studies1: 237–246.
23.
ROKKAN, S. and J. MEYRIAT (1969) International Guide to Electoral Statistics, Vol. I: West Europe. The Hague: Mouton.
24.
SEGRE, E. (1964) Nuclei and Particles. New York: Benjamin.
25.
SHAPLEY, L. S. and M. SHUBIK (1954) “A method for evaluating the distribution of power in a committee system.”Amer. Political Science Rev.48 (September): 787–792.
26.
SOARES, G.A.D. and A.M.C. De NORONHA (1960) “Urbanizacão e dispersão eleitorae.”Revista de Direito Público e Ciencia Politica3 (July-December): 258–270.
27.
SYMON, K. R. (1953) Mechanics. Reading, MA: Addison-Wesley.
28.
TAAGEPERA, R. and J. L. RAY (1977) “A generalized index of concentration.”Soc. Methods & Research5 (February): 367–384.
29.
TAYLOR, C. L. and M. C. HUDSON (1972) World Handbook of Political and Social Indicators. New Haven, CT: Yale Univ. Press.
30.
TAYLOR, H. M. and V. M. HERMAN (1971) “Party systems and government stability.”Amer. Political Science Rev.65 (March): 28–37.
31.
THEIL, H. (1967) Economics and Information Theory. Amsterdam: North Holland.
32.
TRUMAN, D. B. (1951) The Governmental Process. New York: Alfred A. Knopf.
33.
VÄYRYNEN, R. (1972) “Analysis of party systems by concentration, fractionalization and entropy measures.”Scandinavian Political Studies7: 137–155.
34.
WILDGEN, J. K. (1972) “A rejoinder to Rae.”Comparative Political Studies5 (April): 107–108.
35.
WILDGEN, J. K. (1971) “The measurement of hyperfractionalization.”Comparative Political Studies4 (July): 233–243.