共 50 条
- [5] INFLUENCE OF MINERAL MATTER (ASH) CONTENT ON GALLIUM CONCENTRATION IN BITUMINOUS COALS BULLETIN DE L ACADEMIE POLONAISE DES SCIENCES-SERIE DES SCIENCES DE LA TERRE, 1973, 21 (01): : 9 - 18
- [9] THE HYDROCARBON FLUIDIZATION OF FOSSIL COALS DOKLADY AKADEMII NAUK SSSR, 1987, 292 (05): : 1214 - 1216
- [10] ON THE MINERAL ADMIXTURES IN FOSSIL COALS DOKLADY AKADEMII NAUK SSSR, 1959, 124 (04): : 903 - 906