GTE related corporative links
- University of Zaragoza
- Aragon Institute for Engineering Research (I3A)
- Walqa Technological Park
- Robotics, Perception and Real Time Group
- Grupo de Trabajo en Tecnologías Avanzadas para Rescate en Nieve
Underground world applied technology publications
- Cave Radio and Electronics Group
- Speleonics (Communications & Electronic Section of the NSS)
- Journal of Karst and Caves Studies