BibTex format
@inproceedings{Kormushev:2011,
author = {Kormushev, P and Nenchev, DN and Calinon, S and Caldwell, DG},
pages = {3970--3975},
title = {Upper-body Kinesthetic Teaching of a Free-standing Humanoid Robot},
url = {http://kormushev.com/papers/Kormushev_ICRA_2011.pdf},
year = {2011}
}