Botosso, Paulo Cesar. “Cellular Development and Changes in the Structure of Rays in the Xylem of Rollinia Emarginata Schlecht. (Annonaceae)”. Ciência e Natura 10, no. 10 (December 12, 1988): 131–146. Accessed November 23, 2024. https://periodicos.ufsm.br/cienciaenatura/article/view/25496.