@article{DBLP:journals/transci/KroonP03,
author = {Leo G. Kroon and
Leon Peeters},
title = {A Variable Trip Time Model for Cyclic Railway Timetabling},
journal = {Transportation Science},
volume = {37},
number = {2},
year = {2003},
pages = {198-212},
ee = {http://dx.doi.org/10.1287/trsc.37.2.198.15247},
bibsource = {DBLP, http://dblp.uni-trier.de}
}