@misc{iStar2, author = {Dalpiaz, Fabiano and Franch, Xavier and Horkoff, Jennifer}, title = {{iStar 2.0 language guide}}, publisher = {arXiv:1605.07767 [cs.SE]}, howpublished = {arXiv:1605.07767 [cs.SE]}, year = {2016}, url = {dalp-fran-hork-16-istar.pdf} }