Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUNAKAWA Hiroshi,The use of a prism-shaped insert to prevent bridges in existing coal bunkers.,"Journal of the Society of Powder Technology, Japan",0386-6157,"The Society of Powder Technology, Japan",1989,26,5,328-333,https://cir.nii.ac.jp/crid/1390282679489779712,https://doi.org/10.4164/sptj.26.328