Flórez, J., Torralba Arias de Reyna, Álvaro, García, J., Linares López, C., García-Olaya, Ángel and Borrajo, D. 2011. Planning Multi-Modal Transportation Problems. Proceedings of the International Conference on Automated Planning and Scheduling. 21, 1 (Mar. 2011), 66-73. DOI:https://doi.org/10.1609/icaps.v21i1.13466.