1. All Fired Up — Burning Hazardous Waste in Cement Kilns;Mantus,1992
2. Burning of hazardous waste as co-fuel in a cement kiln — does it affect the environmental quality of cement?;Karstensen,1994
3. Waste Co-Processing in Industry. Criteria for an Optimal Waste Management in the Cement Industry;Degré,1996
4. Harmonization of leaching/extraction tests;van der Sloot,1997
5. NEN 7341, Determination of the Availability for Leaching from Granular and Monolithic Contruction Materials and Waste Materials, 1994.