1. Aquino J. descr: descriptive statistics. R package version 1.1.3 includes source code and/or documentation written by Dirk Enzmann, Marc Schwartz, Nitin Jain and Stefan Kraft. 2016. Available at:
https://CRAN.R-project.org/package
(Accessed December 10, 2016).
2. Brauer, M., Reynolds, C., & Hystad, P. (2013). Traffic-related air pollution and health in Canada. CMAJ, 185(18), 1557–1558.
3. Brook, J. R., Dann, T. F., Galarneau, E., et al. (2014). The state of air quality in Canada: national patterns. In E. Taylor & A. McMillan (Eds.), Air quality management: Canadian perspectives on a global issue (pp. 43–67). Dordrecht: Springer.
4. Canadian Council of Ministers of the Environment. Guidance document on continuous improvement (CI) and keeping-clean-areas-clean (KCAC) Canada-wide standards for particulate matter and ozone. Winnipeg: Canadian Council of Ministers of the Environment; 2007 (Accessed June 18, 2018) Available at:
https://www.ccme.ca/files/Resources/air/pm_ozone/1389_ci_kcac_e.pdf
(Accessed June 18, 2018).
5. Canadian Council of Ministers of the Environment. 2010 Progress report on the Canada-wide standards for particulate matter and ozone. Winnipeg, Man.: Canadian Council of Ministers of the Environment; 2013. Available at:
http://www.deslibris.ca/ID/237798
(Accessed June 23, 2018).