Hello Zooarcher, I'm looking for this reference : Hans-Ulrich Pfretzschner - Fossilization of Haversian bone in aquatic environments, Comptes Rendus Palevol, Volume 3, Issue 6, Pages 605-616. If anyone have an electronic copy of this paper. With many thanks in advance! -- Olivier TALLUAULT Archéozoologue - Bureau d'études EVEHA [log in to unmask] 06 70 55 01 31