5McGhee B, Norton f, Snape CE et. al, The Copyrolysis of polyvinyl Chloride with Cellulose Derived Materials as a Model for Municipal waste Derived Chars. Fuei, 1995. (74).
6Janz J. Weiss (Stahlwerke Bremen), Injecting of Waste Plastic into the Blast Furnace of Stalhwerke Bremen. La Revue de Metellurgie--CIT.October, 1996.
7Hans-Ulrich Lindenberg. Rohstoffliehes Recycling von Kunststoffen als reduktionsmittel im Hochofen,Stahl und Eisen, 1996.8.
8Yoji Ogaki, Koichi Tomioka, et. al, Recycling of Waste Plastic Packaging in a Blast Furnace System, NKK Technical Review. 2001.84.
9NSC and NKK Expand Plastics Recycling, Iron & Steelmaker,2000.1.
10Steelmakers Develop Waste Treatment Facilities, Iron & Steelmaker,2000.6.
