Ulrich Thiel Holger Brocks Ingo Frommholz Andrea Dirsch-Weigand Jürgen Keiper Adelheit Stein Erich J. Neuhold COLLATE - A collaboratory supporting research on historic European films. 8-12 2004 4 Int. J. on Digital Libraries 1 http://dx.doi.org/10.1007/s00799-003-0069-1 db/journals/jodl/jodl4.html#ThielBFDKSN04