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title = {{Flexible Mobile Video Camera System and Open Source Video Analysis Software for Road Safety and Behavioral Analysis}},  journal = {Transportation Research Record: Journal of the Transportation Research Board},  }  @article{Jensen_2013,  doi = {10.3141/2389-03},  url = {http://dx.doi.org/10.3141/2389-03},  year = {2013},  month = {dec},  publisher = {Transportation Research Board},  volume = {2389},  pages = {22--29},  author = {S{\o}ren Jensen},  title = {{Safety Effects of Converting Intersections to Roundabouts}},  journal = {Transportation Research Record: Journal of the Transportation Research Board},  }