%% -*-BibTeX-*- @Article{CaiGoh94, author = "X. Cai and C. J. Goh", title = "A fast heuristic for the train scheduling problem", journal = "Comput. Oper. Res.", volume = "21", number = "5", publisher = "Elsevier Science Ltd.", address = "Oxford, UK, UK", pages = "499--510", year = "1994", ISSN = "0305-0548", doi = "http://dx.doi.org/10.1016/0305-0548(94)90099-X", }