Abreu, A.E.S. de et al. 2024. Anthropogenic Gadolinium Anomalies in an Alluvial Plain with On-site Wastewater Treatment Systems in Campinas, SP, Brazil. Geochimica Brasiliensis. 38, (May 2024), e-24001. DOI:https://doi.org/10.21715/GB2358-2812.202438001.