LLANES CEDEÑO, E. A.; ROCHA-HOYOS, J. C.; PERALTA ZURITA, D. B.; LEGUÍSAMO MILLA, J. C. Evaluation of gas emissions in light gasoline vehicles in height conditions. Case study Quito, Ecuador. Enfoque UTE, v. 9, n. 2, p. pp. 149 - 158, 19 Jun. 2018.