@article{article1213e08a,
title   = {Learning of shared attention in sociable robotics},
author = {Policastro, Claudio A and Romero, Roseli Aparecida Francelin and Zuliani, Giovana and Pizzolato, Ednaldo},
year = {2009},
doi = {10.1016/j.jalgor.2009.04.005},
journal   = {Journal of Algorithms}
}