@inproceedings{inproceedings3e021dd3,
title   = {Fleet maintenance scheduling with an ant colony system aproach},
author = {Abrhão, Fernando Teixeira Mendes and Gualda, Nicolau Dionísio Fares},
year = {2006},
publisher = {Springer-Verlag},
booktitle   = {International Workshop, ANTS 2006}
}