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Contacts and influence
Sola Pool, Ithiel de, (1978)
Affinity groups representation
Triffin, Robert, (1981)
[Besprechung von:] Kochen, Manfred and Karl W. Deutsch: Decentralization. Sketches toward a rational theory. Cambridge/Mass. 1980. [= Publication of the Science Center Berlin. International Institute for Comparative Social Research. Vol. 21]
Morrill, Richard L., (1985)