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Glick, D. C., G. D. Mitchell, and A. Davis, (1991). Monitoring the Oxidation of Coals in Storage, American Chemical Society Preprint, v. 36 (3), pp. 861-868.
Greenfield, R. J., and S. T. Wu, (1991). Electromagnetic-wave propagation in disrupted coal seams, Geophysics, v. 56 (10), pp. 1571-7.
Johns, R. T., and Y. Jalali-Yazdi, (1991 December). Comparison of pressure-transient response in intensely and sparsely fractured reservoirs, SPEFE, pp. 513-518.
Johns, R. T., and Y. Jalali-Yazdi, (1991). Comparison of pressure-transient response in intensely and sparsely fractured reservoirs, in Society of Petroleum Engineering transactions, v. 291, V-513.
Jung, B. J., and H. H. Schobert, (1991). Viscous sintering of coal ashes .1. Relationships of sinter point and sinter strength to particle-size and composition, Energy & Fuels, v. 5 (4), pp. 555-61.
Kuehn, D. W., and A. Davis, (1991). The Effects of Coalification and Paleoenvironment on Aliphatic and Aromatic CH Contents in the Lower Kittanning Coal Seam, Organic Geochemistry, v. 17 (2), pp. 255-62.
Lee, C. W., A. W. Scaroni, and R. G. Jenkins, (1991). Effect of pressure on the devolatilization and swelling behavior of a softening coal during rapid heating, Fuel, v. 70 (8), pp. 957-65.
Marone, C., (1991). A note on the stress-dilatancy relation for simulated fault gouge, Pure and Applied Geophysics, v. 137, pp. 409-419.
Marone, C., C. H. Scholz, and R. Bilham, (1991). On the mechanics of earthquake afterslip, Journal Geophysical Research, v. 96, pp. 8441-8452.
Mitchell, G. D., A. Davis, and R. F. Rathbone, (1991 April 14-17). The Use of Vitrinite Fluorescence as a Measure of Changes in Coal Thermoplasticity and Weathering, Proceedings 50th Ironmaking Conference, pp. 199-206, Washington DC.
Mukhopadhyay, P. K., P. G. Hatcher, and J. H. Calder, (1991). Hydrocarbon generation from deltaic and intermontane fluviodeltaic coal and coaly shale from the tertiary of texas and carboniferous of nova-scotia, Organic Geochemistry, v. 17 (6), pp. 765-83.
Orr, F. M., Jr., B. Dindoruk, and R. T. Johns, (1991 October 28-30). Development of miscibility in four component carbon dioxide and nitrogen Floods, IEA Workshop and Symposium on Enhanced Oil Recovery, Bath, England.
Orr, F. M., Jr., R. T. Johns, and B. Dindoruk, (1991 October). Development of miscibility in four component vaporizing gas drives, Society of Petroleum Engineering Annual Technical Conference and Exhibition, SPE No. 22637, Dallas, TX, pp. 449-459.
Ouyang, Z. and D. Elsworth, (1991). A phenomenological failure criterion for brittle rock, Rock Mechanics and Rock Engineering, v. 24, pp. 133-153.
Pisupati, S. V., A. W. Scaroni, and R. D. Stoessner, (1991). Combustion charecteristics of naturally weathered (in situ) bituminous coals, Fuel Processing Technology, v. 28, pp. 49-66.
Pisupati, S. V., B. G. Miller, J. P. Myers, and A. W. Scaroni, (1991). "Combustion Performance of Blends of Low-Grade Anthracite and Bituminous Coal in a Bench-Scale Stoker Simulator," Eight Annual Internat. Pittsburgh Coal Conference, Univ. of Pittsburgh, pp. 958-963.
Radovic, L. R., (1991). Importance of carbon active-sites in coal char gasification - 8 years later, Carbon, v. 29 (6), pp. 809-11.
Romans, D. E., B. G. Miller, and A. W. Scaroni, (1991 January 20-24). "Sorbents Evaluation in Fluidized-Bed Combustion," 3rd ASME Fossil Fuel Combustion Symp., Houston, Texas.
Romans, D. E., B. G. Miller, and A. W. Scaroni, (1991). "Evaluation of Sorbents for Capturing SO2 in Fluidized-Bed Combustion Systems" 3rd ASME Fossil Fuel Combustion Symposium, 14th Annual Energy Sources Technology Conf., ASME, PD33, 93-100.
Rose, A., T. Torries, and W. Labys, (1991). Clean coal technologies and future-prospects for coal, Annual Review of Energy and the Environment, v. 16, pp. 59-90.
Schobert, H. H., and A. B. Garcia, (1991). Liquefaction behavior of high-sulfur lignites, In: Coal Science II, Schobert, H. H., K. D. Bartle, and L. J. Lynch, Eds., American Chemical Society, Washington, Chapter 16.
Schobert, H. H., L. J. Lynch, and K. D. Bartle, (1991). Coal science, ACS Symposium Series, v. 461, R13-R4.
Solomon, P. R., M. A. Serio, G. V. Deshpande, E. Kroo, H. H. Schobert, and C. E. Burgess, (1991). An investigation of the chemistry of preliquefaction, In: Coal Science II, Schobert, H. H., K. D. Bartle, and L. J. Lynch, Eds., American Chemical Society, Washington, Chapter 15.
Song, C. S., T. Nihonmatsu, and M. Nomura, (1991). Effect of pore structure of Ni-Mo/Al2O3 catalysts in hydrocracking of coal derived and oil sand derived asphaltenes, Industrial & Engineering Chemistry Research, v. 30 (8), pp. 1726-34.
Stubington, J. F., G. W. Huang, and A. W. Scaroni, (1991). Devolatilization times of mm-size coal particles, Fuel, v. 70 (9), pp. 1105-8.
Vander Wal, R. L., J. L. Scott, and F. F. Crim, (1991). "State resolved photodissociation of vibrationally excited water: Rotations, stretching vibrations, and relative cross sections," Journal of Chemical Physics, v. 94, [1859].
Vassallo, A. M., N. C. Lockhart, J. V. Hanna, R. Chamberlain, P. C. Painter, and M. Sobkowiak, (1991). Infrared and nuclear-magnetic-resonance spectroscopy of density fractions from callide coal, Energy & Fuels, v. 5 (3), pp. 477-82.
Yavuzkurt, S., M. Y. Ha, G. Koopmann, and A. W. Scaroni, (1991). A model of the enhancement of coal combustion using high-intensity acoustic fields, Journal of Energy Resources Technology-Transactions of the ASME, v. 113 (4), pp. 277-85.
Yavuzkurt, S., M. Y. Ha, G. Reethof, G. Koopmann, and A. W. Scaroni, (1991). Effect of an acoustic field on the combustion of coal particles in a flat flame burner, Journal of Energy Resources Technology-Transactions of the Asme, v. 113 (4), pp. 286-93.
Ylinen, A. M., and D. Elsworth, (1991). Heat and mass transfer around an advancing penetrometer, International Journal of Heat and Mass Transfer, v. 34 (6), pp. 1407-1416.
Zhang, E., (1991). Coalification Patterns of the Pennsylvanian Coal Measures in the Appalachian Foreland Basin, Western and Southcentral Pennsylvania. (MS)
Bai, M., and D. Elsworth, (1990). Some aspects of mining under aquifers in China. Min. Sci. and Tech., v. 10, pp. 81-91.
Bai, M., D. Elsworth, Z. Li, and N. Tomlin, (1990). Evaluation of stresses and displacements induced in discretely layered media. Int. J. R. Mechs. Min. Sci., v. 1 (1), pp. 23-31.
Burgess, C. E., and H. H. Schobert, (1990). Improved oil yields from subbituminous coal with novel hydrogen donor-containing catalysts. Abstracts of Papers of the American Chemical Society, 199, 6-FUEL.
Derek, H., R. T. Johns, and E. Pasternack, (1990 May 16-18). Comparative study of back-propagation neural network and statistical pattern recognition techniques in identifying sandstone lithofacies, in Proceedings 1990 Conference on Artificial Intelligence in Petroleum Exploration and Production, College Station, TX, Texas A&M University, pp. 41-49.
Elsworth, D. (1990). Theory of partially drained piezometer insertion, J. Geotech. Eng. Div., ASCE, v. 116 (6), pp. 899-914.
Elsworth, D., (1990). A comparative evaluation of the parallel flow and spherical reservoir models of HDR geothermal systems, Journal of Volcanology and Geothermal Res., v. 44, pp. 283-293.
Energy and Fuels Research Center, (1990). The Penn State Coal Sample Bank and Data Base, 2nd Ed. Penna. State Univ., 61 pp.
Garcia, A. B., and H. H. Schobert, (1990). Catalytic hydrodesulfurization of a high organic sulfur Turkish lignite: amount, form, and mechanism of sulfur removal. Fuel Processing Technology, v. 26, pp. 99-110.
Garcia, A. B., and H. H. Schobert, (1990). Effects of organic sulfur content on thermolysis and hydrogenolysis of lignites, Fuel Processing Technology, v. 24, pp. 179-186.
Glick, D. C., G. D. Mitchell, and A. Davis, (1990). Effects of Storage Methods on Coal Sample Preservation, The Society for Organic Petrography, Poster Session, Calgary, Canada.
Gorrini, B. C., L. R. Radovic, and A. L. Gordon, (1990). On the potassium-catalyzed gasification of a chilean bituminous coal, Fuel, v. 69 (6), pp. 789-91.
Hajisulaiman, M. Z., A. W. Scaroni, and S. Yavuzkurt, (1990). Optimum sulfation temperature for sorbents used in fluidized-bed coal combustion, Fuel Processing Technology, v. 25 (3), pp. 227-40.
Hatcher, P. G., (1990). Chemical structural models for coalified wood (vitrinite) in low rank coal, Organic Geochemistry, v. 16 (4-6), pp. 959-68.
Hobbs, B. E., A. Ord, and C. Marone, (1990 June). Dynamic behaviour of rock joints, Proc. Int. Symp. on Rock Joints, eds. N. R. Barton and O. Stephansson, Loen, Norway, pp. 435-445.
Kleit, A. N., (1990). The Effect of Annual Changes in Automobile Fuel Economy Standards, Journal of Regulatory Economics, v. 2, pp. 151-172.
Lvov, S. N., and R. H. Wood, (1990). Equation of state of aqueous NaCl-H2O system over a wide range of temperatures, pressures and concentrations, Fluid Phase Equil, v. 60, pp. 273-287.
Lvov, S. N., V. A. Umniashkin, A. Sharygin, and M. F. Holovko, (1990). The molecular statistical theory of infinitely dilute solutions based on the ion-dipole model with Lennard-Jones interaction, Fluid Phase Equilibria, v. 58, pp. 283-305.
Marone, C., C. B. Raleigh, and C. H. Scholz, (1990). Frictional behavior and constitutive modeling of simulated fault gouge, Journal Geophysical Research, v. 95, pp. 7007-7025.
Miller, B. G., D. E. Romans, and A. W. Scaroni, (1990 September 9-11). "Characterization of Limestones for FBC Systems," SO2 Emission Control Conf., National Stone Assoc., Pittsburgh, Pennsylvania.