1. Arellano, A.e., Imbriano, C., 2013. Capital Bikeshare. Retrieved from https://wiki.cs.umd.edu/cmsc734_f13/images/c/c9/Capital-bikeshare.pdf.
2. The relationship between bicycle commuting and perceived stress: a cross-sectional study;Avila-Palencia;BMJ open,2017
3. Barbour, N., Zhang, Y., Mannering, F.J.J.o.T., Health, 2019. A statistical analysis of bike sharing usage and its potential as an auto-trip substitute. 12, 253–262.
4. Blazina, E., 2016. Pittsburgh to Expand Bike-Sharing Program. Retrieved from https://www.questia.com/newspaper/1P2-40322156/pittsburgh-to-expand-bike-sharing-program.
5. Short-term planning and policy interventions to promote cycling in urban centers: Findings from a commute mode choice analysis in Barcelona, Spain;Braun;Transp. Res. Part A: Policy Pract.,2016