Aguiar Muxella, J. L., V. Rodríguez Benítez, and M. García Morín. “Study of the Use and Reuse of Activated Charcoal in Rum Processing”. The Journal of Agriculture of the University of Puerto Rico 52, no. 1 (January 1, 1968): 1–18. Accessed May 21, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/11718.