@article{gams2013,
author = {Gams, Andrej and Petri\v{c}, Tadej and Debevec, Tadej and Babi\v{c}, Jan},
title = {Effects of robotic knee exoskeleton on human energy expenditure},
journal = {IEEE Transactions on Biomedical Engineering},
year = {2013},
volume = {60},
number = {6},
pages = {1636-1644},
doi = {10.1109/TBME.2013.2240682}
}