Lachapelle U (2015). Walk, bicycle, and transit trips of transit-dependent and choice riders in the 2009 United States National Household Travel Survey. Journal of Physical Activity and Health, 12(8), 1139-1147.
Lachapelle U (2015). Walk, bicycle, and transit trips of transit-dependent and choice riders in the 2009 United States National Household Travel Survey. Journal of Physical Activity and Health, 12(8), 1139-1147.