2024-03-29T06:04:47Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/209732019-04-25T04:44:08Zhdl_2115_19031hdl_2115_18961hdl_2115_157石狩川源流部における土砂石の移動に関する研究Studies on the Debris Movement of Slopes and Stream-beds in the Head Watersheds of the Ishikari River藤原, 滉一郎FUJIWARA, Koichiroopen access650北海道大学農学部演習林1977-03jpndepartmental bulletin paperVoRhttp://hdl.handle.net/2115/209730367-6129AN00230369北海道大學農學部 演習林研究報告RESEARCH BULLETINS OF THE COLLEGE EXPERIMENT FORESTS HOKKAIDO UNIVERSITY3414368https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/20973/1/34%281%29_P43-68.pdfapplication/pdf1.38 MB1977-03