2024-03-29T05:15:34Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/360802019-04-25T04:55:32Zhdl_2115_35738hdl_2115_34816hdl_2115_116The Late professor Dr. Takumi Nagao450The Hokkaido UniversityDepartmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/36080https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/36080/1/17%284%29_553-554.pdf0018-3474AA00697854Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy1745535531977-08engpublisher