Alberto Ríos, C., Williams, C.D. and Roberts, C.L. 2010. UK fly ash-based zeolites as absorbents for removal of heavy metals and ammonium from artificially polluted solutions. Ingeniería y Competitividad. 12, 1 (Jun. 2010), 57–71. DOI:https://doi.org/10.25100/iyc.v12i1.2702.