2024-03-28T17:37:35Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/186072019-04-25T01:36:28Zhdl_2115_17338hdl_2115_8305hdl_2115_1470℃付近の凍土中の超音波の測定Measurements of Ultrasonic Velocity of Frozen Soil near 0℃福田, 正己431.67北海道大学低温科学研究所Departmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/18607https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/18607/1/50_p83-86.pdf0439-3538AN00149646低温科學. 物理篇5083861992-03-25jpnpublisher