Risto Poykio and  Kati Manskinen and  Olli Dahl and  Mikko Mäkelä and  Hannu Nurmesniemi,  Release of Elements in Bottom Ash and Fly Ash from Incineration of Peat- and Wood-Residues using a Sequential Extraction Procedure.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1146 - 1150
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9416.