Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SCHNEIDERMAN MA,Determination of anthraquinone in paper and wood using supercritical extraction and high performance liquid chromatography with electrochemical detection,J Chromatogr,,,1987,409,,343-353,https://cir.nii.ac.jp/crid/1574231876384359936,