Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Corder Glen David and Thorpe Rex Barry,An Experimental Study of the Wear at Hopper Walls,KONA Powder and Particle Journal,0288-4534,Hosokawa Powder Technology Foundation,1995,13,0,105-112,https://cir.nii.ac.jp/crid/1390282680490961792,https://doi.org/10.14356/kona.1995015