Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MOTOJIMA Koji and ANDO Atsushi and KAWANO Masaki,A Study of Sedimentary Rorka,Journal of the Japanese Association for Petroleum Technology,0370-9868,The Japanese Association for Petroleum Technology,1960,25,7,298-303,https://cir.nii.ac.jp/crid/1390001204063255808,https://doi.org/10.3720/japt.25.298