Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) IWATA Tomoaki,A NEW EARTH PRESSURE CALCULATION FORMULA ASSUMING STRAIGHT SLIP,"Journal of Japan Society of Civil Engineers, Ser. C (Geosphere Engineering)",2185-6516,Japan Society of Civil Engineers,2018,74,1,34-49,https://cir.nii.ac.jp/crid/1390001205356075136,https://doi.org/10.2208/jscejge.74.34