1
by Braunthal, Gerard, 1923-
Published 1983
2
by Charlot, Jean
Published 1978
3
Published 1996
4
by Vlavianos, Haris
Published 1992
5
by Weinberg, Leonard, 1939-
Published 2009
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6
by Lijphart, Arend
Published 1994
7
Published 1994
8
Published 2003