@ARTICLE{j.villagra2011amodel-freeapproach,
TITLE = {A model-free approach for accurate joint motion control in humanoid locomotion},
JOURNAL = {International Journal of Humanoid Robotics},
VOLUME = {8},
NUMBER = {1},
PAGES = {0 - 0},
YEAR = {2011},
AUTHOR = {J. Villagra, C. Balaguer}
}