Authenticity and originality of ancient bronze portraits : a forged portrait of Augustus, its prerequisites, and its surroundings ; the contributions of the discussion forum on 5 May 2014 and the catalogue of the exhibition "The fake Augustus. A suspect bronze portrait of the first Roman Emperor" 8 May to 15 July 2014 in the Archäologisches Museum of the Martin-Luther-Universität Halle-Wittenberg - Lehmann, Stefan; Lehmann, Stefan (Sandstein Verl., 2015)