共 50 条
- [1] PORPHYRINS OF UNITED-STATES HUMIC COALS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1980, 179 (MAR): : 15 - GEOC
- [2] LIQUEFACTION PATHWAYS OF UNITED-STATES COALS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1991, 201 : 62 - FUEL
- [5] CHARACTERIZATION OF TITANIUM IN SOME UNITED-STATES COALS ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1986, 191 : 68 - INDE
- [8] MINERAL MATTER IN ILLINOIS AND OTHER UNITED-STATES COALS ACS SYMPOSIUM SERIES, 1986, 301 : 10 - 40
- [10] COMPARATIVE-STUDY OF UNITED-STATES COALS IN FLASH HYDROGENATION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1978, 176 (SEP): : 12 - 12