@article{RN1183, author = {Sandoval, Eduardo B. and Brandstetter, Jürgen and Obaid, Mohammad and Bartneck, C.}, title = {Reciprocity in Human Robot Interaction - A Quantitative Approach Through The Prisoner's Dilemma And The Ultimatum Game}, journal = {International Journal on Social Robotics}, volume = {8}, number = {2}, pages = {303-317}, DOI = {10.1007/s12369-015-0323-x}, year = {2016}, type = {Journal Article} }