TY  - CONF
T1  - Assistive Navigation using a Hierarchical Model of the Environment
A1  - Fernández-Madrigal, Juan-Antonio
A1  - Gonzalez-Jimenez, Javier
A1  - Galindo, Cipriano
A1  - Reina, Antonio
A1  - Muñoz, Antonio
TI  - 3rd International Symposium on Engineering of Intelligent Systems (EIS)
Y1  - 2002
CY  - Málaga (Spain)
ER  -