@inproceedings{WoelfelBucchino2014, author = {Matthias W{\"o}lfel and Luigi Bucchino}, title = {Increasing Customers’ Attention using Implicit and Explicit Interaction in Urban Advertisement}, series = {ICMI '14 Proceedings of the 16th International Conference on Multimodal Interaction, Istanbul, Turkey, November 12 - 16, 2014}, isbn = {978-1-4503-2885-2}, doi = {10.1145/2663204.2663268}, pages = {204 -- 207}, year = {2014}, language = {en} }