ZAFRA-MEJIA, Carlos; RONDON-QUINTANA, Hugo  e  GUTIERREZ-MALAXECHEBARRIA, Álvaro. Heavy metal contribution by runoff in a high-altitude megacity: a method based on the road-deposited sediment characterization. Dyna rev.fac.nac.minas [online]. 2018, vol.85, n.206, pp.85-94. ISSN 0012-7353.