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For a contract of solidarity
Tévoèdjrè, Albert, (1976)
Contractual relations and weak solidarity : the behavioral basis of restraints on gain-maximization ; comment
Opp, Karl-Dieter, (1988)
White, Harrison C., (1988)
Interdisciplinary perspectives on organization studies
Lindenberg, Siegwart, (1993)
Gedrag en struktuur : de relevantie van microtheoriee͏̈n voor de verklaring van macroverschijnselen
Arts, Wilhelmus Antonius, (1976)
Social norms : what happens when they become more abstract?
Lindenberg, Siegwart, (2008)