Forero-Pinilla, Á., Alarcón-Sichacá, H. H., & Acosta-Hernández, Y. R. (2010). Design, construction and commissioning of a laboratory type drum type magnetic concentrator. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Forero-Pinilla, Álvaro, Héctor Hely Alarcón-Sichacá, agus Yesid Rolando Acosta-Hernández. Design, Construction and Commissioning of a Laboratory Type Drum Type Magnetic Concentrator. Universidad Pedagógica y Tecnológica de Colombia, 2010.
Lua MLA (9ú heag.)Forero-Pinilla, Álvaro, et al. Design, Construction and Commissioning of a Laboratory Type Drum Type Magnetic Concentrator. Universidad Pedagógica y Tecnológica de Colombia, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
