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2. Practical Handbook of Material Flow Analysis;Brunner,2004
3. Bundesamt für Umwelt, Wald und Landschaft (Buwal) (1998). Entsorgung von Abfällen in Zementwerken. (Richtlinie) (Waste Disposal in Cement Rotary Kilns); Bern, 1998
4. CEN (European Committee for Standardization), 2003. Draft Business Plan of CEN/TC 343 Solid Recovered Fuels
5. European Court of Justice: JUDGMENT OF THE COURT (Fifth Chamber) 13 February 2003 (1) (Failure by a Member State to fulfill its obligations – Article 7(2) and (4) of Regulation (EEC) No. 259/93 – Classification of the purpose of a shipment of waste (recovery or disposal) – Incinerated waste – Point R1 of Annex II B to Directive 75/442/EEC – Concept of use principally as a fuel or other means to generate energy) In Case C-228/00