Prickly Cactus 2010: A Prospective View. Journal of the Professional Association for Cactus Development, [S. l.], v. 1, p. 67–72, 1996. DOI: 10.56890/jpacd.v1i.203. Disponível em: https://www.jpacd.org/jpacd/article/view/203. Acesso em: 19 dec. 2025.