REMOVING SULFUR AND MINERAL MATTER FROM COAL = ELIMINATION DU SOUFRE ET DES SUBSTANCES MINERALES DU CHARBONGORIN E; LEBOWITZ HE.1974; IN: COAL PROCESS. TECHNOL.; NEW YORK; AM. INST. CHEM. ENG.; DA. 1974; PP. 64-68; BIBL. 16 REF.Miscellaneous

CONVERSION OF WESTERN U.S. COALS TO LIQUID PRODUCTS.WOLK RH; LEBOWITZ HE; ROVESTI WC et al.sdIN: PACIFIC CHEM. ENG. CONGR. 2. PROC.; DENVER, COLO.; 1977; NEW YORK; AM. INST. CHEM. ENG.; DA. S.D.; VOL. 2; PP. 900-907; BIBL. 15 REF.Conference Paper