Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 岩間 秀矩 and 村上 弘治 and 渡辺 治郎 and 岡本 恭二,1-15 傾斜地の保全的・持続的草地利用方式について(第1報)(1. 土壌物理),"Abstracts of the Annual Meetings, Japanese Society of Soil Science and Plant Nutrition",0288-5840,Japanese Society of Soil Science and Plant Nutrition,1993,39,0,8,https://cir.nii.ac.jp/crid/1390282679375846016,https://doi.org/10.20710/dohikouen.39.0_8_1