THE COST AND COMMERCIALIZATION OF GAS AND LIQUIDS FROM COAL = COUT ET COMMERCIALISATION DES COMBUSTIBLES GAZEUX ET LIQUIDES OBTENUS A PARTIR DU CHARBONSIEGEL HM.1973; IN: CLEAN FUELS FROM COAL. SYMP.; CHICAGO, ILL.; 1973; CHICAGO; INST. GAS TECHNOL.; DA. 1973; PP. 653-661Conference Paper

MAJOR TECHNICAL ISSUES FACING SYNTHETIC PIPELINE GASSWABB LE; SIEGEL HM.1979; A.C.S. SYMP. SER.; USA; DA. 1979; VOL. 110; PP. 171-182Article

POWERPLANT EFFICIENCY PROJECTED VIA LEARNING CURVESRENNER R; SIEGEL HM.1979; AUTOMAT. ENGNG; USA; DA. 1979; VOL. 87; NO 7; PP. 52-58Article

STATUS OF COAL LIQUEFACTION TECHNOLOGY = ETAT ACTUEL DE LA TECHNOLOGIE DE LIQUEFACTION DU CHARBONEPPERLY WR; SIEGEL HM.1974; IN: 9TH INTERSOC. ENERGY CONVERS. ENG. CONF. PROC., SAN FRANCISCO, CALIF.; 1974; NEW YORK, N.Y.; AM. SOC. MECH. ENG.; DA. 1974; PP. 1020-1026; BIBL. 15 REF.Conference Paper

TECHNOLOGY AND COST OF COAL GASIFICATION = TECHNOLOGIE ET COUT DE LA GAZEIFICATION DU CHARBONSIEGEL HM; KALINA T.1972; IN: AM. SOC. MECH. ENG. WINTER ANNU. MEET.; NEW YORK, N.Y.; 1972; S.L.; A.S.M.E.; DA. 1972; VOL. FU-2; PP. 1-8; BIBL. 10 REF.Conference Paper

COAL-GASIFICATION COSTS MAY LOWER = LES COUTS DE GAZEIFICATION DU CHARBON PEUVENT BAISSERSIEGEL HM; KALINA T.1973; OIL GAS J.; U.S.A.; DA. 1973; VOL. 71; NO 7; PP. 87-94 (4 P.)Serial Issue

ALGORITHM FOR SOLVING BACK-REFLECTION LAUE PATTERNS OF CUBIC CRYSTALSRAVINDHRAN KS; SIEGEL HM; JOHNSON RM et al.1979; J. APPL. PHYS.; ISSN 0021-8979; USA; DA. 1979; VOL. 50; NO 7; PP. 5030-5033; BIBL. 2 REF.Article

RAPID DETERMINATION OF METAL WHISKERS GROWTH AXES.SIEGEL HM; SELF WB; JOHNSON RM et al.1976; J. APPL. PHYS.; U.S.A.; DA. 1976; VOL. 47; NO 10; PP. 4688-4690; BIBL. 5 REF.Article