Díaz, Noemi, and Javier Rivera. “Tentative Identification of Volatile Components of Pineapple Juice from Varieties Red Spanish and PR 1-67”. The Journal of Agriculture of the University of Puerto Rico 73, no. 3 (July 1, 1989): 189–194. Accessed January 31, 2023. https://revistas.upr.edu/index.php/jaupr/article/view/6456.