Johan Redström. Tangled interaction: On the expressiveness of tangible user interfaces. ACM Transactions on Computer-Human Interaction, 15(4), 2008. [doi]
@article{Redstrom08a, title = {Tangled interaction: On the expressiveness of tangible user interfaces}, author = {Johan Redström}, year = {2008}, doi = {10.1145/1460355.1460358}, url = {http://doi.acm.org/10.1145/1460355.1460358}, researchr = {https://researchr.org/publication/Redstrom08a}, cites = {0}, citedby = {0}, journal = {ACM Transactions on Computer-Human Interaction}, volume = {15}, number = {4}, }