J. J. Gago, B. Lukawski, J.G. Victores, C. Balaguer, Valentina Vasco, Ugo Pattacini, Vadim Tikhanoff. Sequence-to-Sequence Natural Language to Humanoid Robot Sign Language. EUROSIM 2019. , ISBN: 978-3-901608-92-6, pages: 44 - , ARGESIM. 2019-07-02, Logroño, . 2019.