D. Haberfellner, and H. Ostad-Ahmad-Ghorabi, translators. “An Evaluation of Mobility Trends until 2030 under the Aspect of Sustainability D. Haberfellner”. International Journal of Fundamental Physical Sciences, vol. 2, no. 3, June 2012, pp. 35-40, https://doi.org/10.14331/ijfps.2012.330033.