@inbook{JMP/Adu/2009Original, author = "J.M. Perez Lorenzo and V{\'a}zquez Mart{\'i}n, Ricardo and Bandera Rubio, Antonio Jes{\'u}s", note = " Junio 2009 10th International Work-Conference on Artificial Neural Networks (IWANN´09), Salamanca (Spain)", title = "{A} dual graph pyramid approach to grid-based and topological maps integration for mobile robotics ", year = "2009", }