Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOIZUMI Y.,Characterization of depth-related microbial community structure in lake sediment by denaturing gel electrophoresis of amplified 16S rDNA and reversely transcribed 16S rRNA fragments,FEMS Microbiol. Ecol.,,,2003,6,,622-637,https://cir.nii.ac.jp/crid/1570291225648325632,