Bolaños-Álvarez, Y., K. Cos-Negret, A. Guillén-Arruebarrena, and A. M. Torres-Martín. “Validation of the Mercury Determination Method in Sediment and Biological Tissue Using Direct Mercury Analyzer (DMA-80)”. Revista Cubana De Química, vol. 28, no. 3, Sept. 2016, pp. 784-92, https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/1547.