Griol, D., García-Herrero, J. and Molina, J.M. 2013. Combining heterogeneous inputs for the development of adaptive and multimodal interaction systems. ADCAIJ: Advances in Distributed Computing and Artificial Intelligence Journal. 2, 3 (Nov. 2013), 37–53. DOI:https://doi.org/10.14201/ADCAIJ2014263753.