MALTSBERGER, B. Minutes of the First Annual Meeting of the Texas Prickly Pear Council. Journal of the Professional Association for Cactus Development, [S. l.], p. 91–92, 1990. DOI: 10.56890/jpacd.vi.399. Disponível em: https://www.jpacd.org/jpacd/article/view/399. Acesso em: 16 oct. 2025.