Verba volant, scripta manent: Limits of Speech, Power of Silence and Logic of Practice in Some Monastic Conflicts of the High Middle Ages - Jezierski, Wojtek (Vanderputten, Steven 1976- (edt), Understanding monastic practices of oral communication: (Western Europe, tenth - thirteenth centuries) ; [... international conference at Ghent University (Belgium) on 23 and 24 May 2008], 2011)