Associations between street connectivity and active transportation

Springer Science and Business Media LLC - Tập 9 Số 1 - Trang 20 - 2010
David Berrigan1, Linda Williams Pickle2, Jennifer Dill3
1ARP DCCPS, National Cancer Institute, Bethesda, MD, USA
2SRP DCCPS, National Cancer Institute, Bethesda, MD, USA
3College of Urban and Public Affairs, Portland State University, Portland, OR, USA

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