Yasutaka Tsuji, Masahiro Kuroda, Yukiya Kitagawa, Yoshitaka Imoto. Ant Colony Optimization approach for solving rolling stock planning for passenger trains. In IEEE/SICE International Symposium on System Integration, SII 2012, Fukuoka, Japan, December 16-18, 2012. pages 716-721, IEEE, 2012. [doi]