著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Anna Karlsson and Peter Einarsson and Anna Schnurer,"Impact of trace element addition on degradation efficiency of volatile fatty acids, oleic acid and phenyl acetate and on microbial populations in a biogas digester",Journal of bioscience and bioengineering,13891723,Suita : Society for Biotechnology,2012-10,114,4,446–452,https://cir.nii.ac.jp/crid/1524232505249553920,https://doi.org/10.1016/j.jbiosc.2012.05.010