Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
OTAKE Nobuhiko,Transportation Cost of Iron-Ore and Coking Coal.,Shigen-to-Sozai,09161740,The Mining and Materials Processing Institute of Japan,1993,109,6,409-416,https://cir.nii.ac.jp/crid/1390001206016816768,https://doi.org/10.2473/shigentosozai.109.409