Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HIRAMATSU Yoshio and OKA Yukitoshi and OGINO Shoji,The Stress in a Circular Shaft Lining Caused by Earth Pressure Acting on It,Journal of the Mining and Metallurgical Institute of Japan,03694194,The Mining and Materials Processing Institute of Japan,1961,77,872,73-79,https://cir.nii.ac.jp/crid/1390282680958039552,https://doi.org/10.2473/shigentosozai1953.77.872_73