BibTex format
@article{Lee:2013:10.1016/j.robot.2013.08.003,
author = {Lee, K and Su, Y and Kim, T-K and Demiris, Y},
doi = {10.1016/j.robot.2013.08.003},
journal = {Robotics and Autonomous Systems},
pages = {1323--1334},
title = {A syntactic approach to robot imitation learning using probabilistic activity grammars},
url = {http://dx.doi.org/10.1016/j.robot.2013.08.003},
volume = {61},
year = {2013}
}