Perez P, Burn S (2010) Co-engineering participatory
water management processes: theory and insights from Australian and Bulgarian interventions. Ecology and Society 15(4):11
http://www.ecologyandsociety.org/vol15/iss4/art11
Eriksson
L, Garvill J, Nordlund AM (2006). Acceptability of travel demand management measures: The importance of problem awareness, personal norm,
freedom, and fairness
/media/vedurstofan/PhD_course-Programme_26Aug2011-final.pdf