Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kudo Yoshihiro,Recent Development of the Chemical Abstracts Service,Journal of Information Processing and Management,00217298,Japan Science and Technology Agency,1980,23,3,214-226,https://cir.nii.ac.jp/crid/1390282680514314368,https://doi.org/10.1241/johokanri.23.214