Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOJIMA Kouji,The Mechanical Analysis of the Concentrated Charge Blasting,Journal of the Mining and Metallurgical Institute of Japan,03694194,The Mining and Materials Processing Institute of Japan,1963,79,903,640-644,https://cir.nii.ac.jp/crid/1390282680959340544,https://doi.org/10.2473/shigentosozai1953.79.903_640