Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
花田 岳美,"Grey Literature, Its Variety and Problems",Journal of Information Processing and Management,00217298,Japan Science and Technology Agency,1984,27,7,595-602,https://cir.nii.ac.jp/crid/1390282680450530432,https://doi.org/10.1241/johokanri.27.595