"Mit Co-Creation zur integrativen Stadtöffentlichkeit? Zum Potential partizipativer Aktionsforschung für die digitale Revitalisierung lokaler öffentlicher Kommunikation "With Co-Creation to the Integrative City Public? On the Potential of Participatory Action Research for the Digital Revitalisation of Local Public Communication], presentation by J. Reimer and W. Loosen at the 64th annual conference of the German Communication Association on 10 May 2019 in Münster (together with Andrea Grahl, Andreas Breiter, Ulrike Gerhard, Katharina Heitmann, Andreas Hepp, Hendrik Hoch, Leif Kramp and Adrian Roeske).