@article{oai:toyo.repo.nii.ac.jp:00003950,
 author = {中嶋,  滋夫},
 issue = {2},
 journal = {国際地域学研究, Journal of regional development studies},
 month = {Mar},
 pages = {81--100},
 title = {石炭資源の経済的可採年数評価方法(第1報)意外に少ない可採炭量},
 year = {1999}
}