Author Title Journal ISSN Publisher Date Volume Number Page URL URL(DOI) IKENAGA Na-oki,KONDOH Katsutosi,SUZUKI Toshimitsu P-5. Coal liquefaction using fine particles of iron sulfide prepared from organic iron compounds 日本エネルギー学会大会講演要旨集 The Japan Institute of Energy 1999-07-22 8 337-340 http://ci.nii.ac.jp/naid/110006795577/en/