D. A. Escobar Garcia, M. Mayorga, and J. P. Duque Cañas, “Analysis of the proposed solution for the intersection of 52nd Street Tunnel in Manizales”, Avances, vol. 11, no. 1, pp. 111–120, Dec. 2014, doi: 10.18041/1794-4953/avances.1.307.