Extremism Propagation in Social Networks with Hubs. - Daniel W. Franks; Jason Noble; Peter Kaufmann; Sigrid Stagl (Adapt. Behav., 2008)

Sustainable energy futures: Methodological challenges in combining scenarios and participatory multi-criteria analysis. - Katharina Kowalski; Sigrid Stagl; Reinhard Madlener; Ines Omann (Eur. J. Oper. Res., 2009)