@article{BodenDoernerDraxleretal.2014, author = {Alexander Boden and Christian D{\"o}rner and Sebastian Draxler and Volkmar Pipek and Gunnar Stevens and Volker Wulf}, title = {Tangible and Screen-Based Interfaces for End-User Workflow Modeling}, series = {IEEE Software}, volume = {31}, number = {4}, publisher = {IEEE}, issn = {0740-7459}, doi = {10.1109/MS.2013.71}, pages = {65 -- 71}, year = {2014}, language = {en} }