@book {298, title = {Agreement Technologies - Second International Conference, AT 2013, Proceedings.}, series = {Lecture Notes in Computer Science }, volume = {8068}, year = {2013}, publisher = {Springer }, organization = {Springer }, isbn = {978-3-642-39859-9}, url = {http://www.springer.com/computer/ai/book/978-3-642-39859-9}, author = {Carlos Iv{\'a}n Ches{\~n}evar and Eva Onaindia and Sascha Ossowski and George A. Vouros} }