Hong, D. H., Kil, E. J., Kim, S. J., Joo, S. H. and Oh, C. (2012). “Methodology for
                           evaluating cycling environment using gps-based probe bicycle speed data.” International
                           J. of Highway Engineering, Vol. 14, No. 2, pp. 73-81.Hong, D. H., Kil, E. J., Kim,
                           S. J., Joo, S. H. and Oh, C. (2012). “Methodology for evaluating cycling environment
                           using gps-based probe bicycle speed data.” International J. of Highway Engineering,
                           Vol. 14, No. 2, pp. 73-81.
