↑ "Black Rain". Museum of Radiation and Radioactivity. 2024-07-23. Retrieved 2024-09-13.
↑ Pereira, Guilherme Martins; da Silva Caumo, Sofia Ellen; Grandis, Adriana; do Nascimento, Emerson Queiroz Mota; Correia, Alexandre Lima; de Melo Jorge Barbosa, Henrique; Marcondes, Marta Angela; Buckeridge, Marcos Silveira; de Castro Vasconcellos, Pérola (2021). "Physical and chemical characterization of the 2019 "black rain" event in the Metropolitan Area of São Paulo, Brazil". Atmospheric Environment. 248 118229. doi:10.1016/j.atmosenv.2021.118229. hdl:11603/31016.
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