Rapid radio variability and kinematics of the jet in the BL Lac object 0235+164

Modelling the intraday variations by a precessing electron-positron jet

Collaborators: A.Kraus, T.P.Krichbaum, A.Witzel, J.A.Zensus (MPIfR), A.Quirrenbach (UCLA), M.Aller, and H.Aller (Univ. of Chicago)