Santini, Jr., R. 1953. Identification and determination of polybasic organic acids present in West Indian cherries (malpighia punicifolia L.) and in three varieties of guava (psidium guajava). The Journal of Agriculture of the University of Puerto Rico. 37, 3 (Jul. 1953), 195–198. DOI:https://doi.org/10.46429/jaupr.v37i3.12747.