P. Panek, G. Edelmayer, P. Mayer, C. Beck, W.L. Zagler:
"Mobile Video Phone Communication Carried by a NAO Robot";
in: "Ambient Assisted Living", Springer-Verlag Berlin Heidelberg, 2014, ISBN: 978-3-642-37987-1, 315 - 325.
http://dx.doi.org/10.1007/978-3-642-37988-8_20