1. Commission E. Directive 2008/98/EC of the European Parliament and of the Council of 19 November 2008 on waste and repealing certain directives (Waste framework directive, R1 formula in footnote of attachment II):
http://eur-lex.europa.eu/LexUriServ
. LexUriServ do. 2008
2. Das, B., Prakash, S., Reddy, P., Misra, V.: An overview of utilization of slag and sludge from steel industries. Resour. Conserv. Recycl. 50, 40–57 (2007)
3. Matino, I., Alcamisi, E., Porzio, G.F., Colla, V., Romaniello, L.: Modelling of oily millscale and sludge treatment process for improved by-product recovery and waste minimization in steel industry. In: Proceedins of 1st International Process Integration Forum for the Steel Industry, Swerea MEFOS. (2014)
4. Larsson, M., Wang, C., Dahl, J., Wedholm, A., Samuelsson, C., Magnusson, M., Lampinen, H.O., Su, F., Grip, C.E.: Improved energy and material efficiency using new tools for global optimisation of residue material flows. Int. J. Green Energy 3, 127–137 (2006)
5. The European Slag Association: Position Paper on the Status of Ferrous Slag, complying with the Waste Framework Directive (Articles 5/6). (2012)