1. Worldsteel Association: Press Releases.
https://www.worldsteel.org/media-centre/press-releases/2018/World-crude-steel-output-increases-by-5.3–in-2017.html
. Accessed 06 June 2018.
2. J.V.D. Stel: Development of ULCOS-blast furnace: working toward technology demonstration. IEAGHG/IETS Iron and Steel Industry CCUS and Process Integration Workshop, Tokyo, Japan, 4–7 November 2013.
http://www.ieaghg.org/docs/General_Docs/Iron%20and%20Steel%202%20Secured%20presentations/1050%20Jan%20van%20der%20Stel.pdf
. Accessed 06 June 2018.
3. ULCOS: HIsarna Smelter Technology.
http://www.ulcos.org/en/research/isarna.php
. Accessed 14 Dec 2017.
4. ULCORED: Industrial Efficiency Technology Database.
http://ietd.iipnetwork.org/content/ulcored-0
. Accessed 14 Dec 2017.
5. Satyendra: Ispat Guru.
http://ispatguru.com/ultra-low-carbon-dioxide-steelmaking-ulcos/
, 2015. Accessed 14 Dec 2017.