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Omar, H. and Issa, M., Production of Lunar Concrete Using Different Bonding materials, Published in the Refereed Proceedings of the Space 94 - The Fourth International Conference, Sponsored by the American Society of Civil Engineers (ASCE), Albuquerque, New Mexico, February 26 - March 3, 1994, Volume II, pp. 952 - 959.

Issa, M. and Omar, H., Feasibility of Dual Technology in Manufacturing Lunar Concrete, Published in the Refereed Proceedings of the Space 94 - The Fourth International Conference, Sponsored by the American Society of Civil Engineers (ASCE), Albuquerque, New Mexico, February 26 - March 3, 1994, Volume II pp. 933 - 941.

Omar, H. and Issa M., Cost Effectiveness Of Lunar Concrete for Lunar Structures, Published in the refereed proceedings of the Pacific International Conference on Aerospace Science and Technology, held in Taiwan, Republic of China, December 6 - 9, 1993.

Omar, H., Lunar Transit Telescope Lander Design, Proceedings of Space 1992, the Third International Conference sponsored by ASCE, Denver, Co., Volume II, pp. 1880-1889, June 1992

Omar, H. and Morris, G., Modeling the Moment-Rotation Behavior of Flat-Plat to Column Connections, Published in the Structural Engineering Review Journal, Pergamon Journals LTD, Vol. 4, No. 1, pp. 93-102, 1992.

Omar, H. and Morris, G., Plate Element for Predicting Lateral Drifts of R/C Flat-Plate Structures, Published in the Computers and Structures Journal, Pergamon Journals LTD, Volume 45, No. 4, pp. 765 - 774, November 1992.

Morris, G. and Omar, H. Analysis of laterally loaded flat plate structures, Published in the Structural Journal of the Canadian Society of Civil Engineers, Vol. 18, pp. 109-117, February 1991.