Links:
[1] https://www.die.upm.es/en/category/categoria/tesis-doctorales
[2] https://www.die.upm.es/en/perfil/jos%C3%A9-ignacio-izpura-torres-0
[3] https://www.die.upm.es/sites/default/files/TD%20Jorge%20Juli%C3%A1n%20S%C3%A1nchez%20Mart%C3%ADnez.pdf