Leal G, Peñaloza JI. Production of carbon fibers from Castilla’s crude-oil deasphalted bottoms. CT&F Cienc. Tecnol. Futuro [Internet]. 2002 Dec. 31 [cited 2024 May 4];2(3):41-7. Available from: https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/536