Algorithmic Methods for Railway Optimization International Dagstuhl Workshop, Railway Optimization 2004, Dagstuhl Castle, Germany, June 20-25, 2004, Bergen, Norway, September 16-17, 2004, Revised Selected Papers - Geraets,Frank; Kroon,Leo; Schoebel,Anita; Wagner,Dorothea; Zaroliagiis,Christos (Springer London, Limited)