@techreport{d0d2b02fbf384c73934b9070099e6c7c,
title = "Effect of sample digestion on the determination of Cu, Cr, Mn and Zn in fly ash from coal combustion",
keywords = "AAS, fly ash, heavy metals, sample digestion, trace elements, AAS, fly ash, heavy metals, sample digestion, trace elements, AAS, fly ash, heavy metals, sample digestion, trace elements",
author = "Hannu Revitzer and T. Laitinen",
year = "1993",
language = "English",
series = "Finnish Chemical Congress, Helsinki, 2.-4.11.1993",
publisher = "Association of Finnish Chemical Societies",
type = "WorkingPaper",
institution = "Association of Finnish Chemical Societies",
}