Brau, Herminio M. “The Effect of the Presence of Different Concentrations of Fusel Oil on the Determination of Alcohol by Picnometer and Hydrometer”. The Journal of Agriculture of the University of Puerto Rico 41, no. 2 (April 1, 1957): 140–145. Accessed March 28, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12625.