Africano-Higuera, D. C., & Forero-Pinilla, Á. (2010). Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Africano-Higuera, Diana Carolina, agus Álvaro Forero-Pinilla. Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia, 2010.
Lua MLA (9ú heag.)Africano-Higuera, Diana Carolina, agus Álvaro Forero-Pinilla. Pellets Obtained from Iron Row Material in the Direct Reduction Processes. Universidad Pedagógica y Tecnológica de Colombia, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
