1. Furness, Z.: One Less Car: Bicycling and the Politics of Automobility, pp. 55–59. Temple University Press, Philadelphia (2010)
2. Chan, S.: City Will Explore Bike-Sharing Program. The New York Times,
http://cityroom.blogs.nytimes.com/2008/07/09/city-will-explore-bike-sharing-program/?hp
3. Erb, C.: Sneak peak of a Bixi bike,
http://spacingmontreal.ca/2009/01/31/sneak-peak-of-a-bixi-bike/
4. http://www.treehugger.com/files/2008/11/montreal-bike-share-gets-new-name.php
5. Wang, Z.-G., Kong, Z., Xie, J.-H., Yin, L.-E.: The 3rd Generation of Bike Sharing Systems in Europe: Programs and Implications. Urban Transport of China 7(4), 7–12 (2009)