Virtual laboratories to support learning in introductory automatic control courses: The University of Extremadura pilot experience 

González, I., Tejado, I., Pérez, E., Merchán, P., Vinagre, B.M., Lozano, J., 9th annual International Conference of Education, Research and Innovation, 2016, Seville, Spain, http://dx.doi.org/10.21125/iceri.2016.0538