Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUNAKAWA Hiroshi,Hopper Slopes in the Cargo Holds of Self-unloading Ships,"Journal of the Society of Powder Technology, Japan",0386-6157,"The Society of Powder Technology, Japan",1982,19,5,273-276,https://cir.nii.ac.jp/crid/1390282679489115648,https://doi.org/10.4164/sptj.19.273