2005
González-Astorga J., Vovides A., Cruz-Angón A., Octavio-Aguilar P. & C. Iglesias. (2005) Allozyme variation in the three extant populations of the narrowly endemic cycad Dioon angustifolium. Annals of Botany. 95: 999-1007. ISSN: 1095-8290 DOI: 10.1093/aob/mci106.