Williams, N. H., john T. Atwood, and C. H. Dodson. “FLORAL FRAGRANCE ANALYSIS IN ANGULOA, LYCASTE AND MENDONCELLA (ORCHIDACEAE)”. Selbyana, vol. 5, no. 3/4, Aug. 1981, pp. 291-5, https://ojs.test.flvc.org/selbyana/article/view/119742.