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Recovery of defective discs in the production of new real c..:

Nascimento, Paula Franco Cabral do ; Sobral, Luis Gonzaga Santos ; Souza, Carlos Eduardo Gomes de..
NASCIMENTO, P. F. C. et al. Recovery of defective discs in the production of new real coins by intensive cyanidation. Rio de Janeiro: CETEM/MCTI, 2012. 27p. (Série Tecnologia Ambientalm, 63).  , 2012