| 21 | Effect of Lewis Bases on Recrystallized MgCl2-TiCl4 Catalysts for Polypropylene Ihm, Son Ki, Post Congr. Symp. on Chemical Technology, 1988 |
| 22 | Efficient Utilization of Neglected Hydrocarbons Ihm, Son Ki, Asian Symposium on Chemical Technology, 1988 |
| 23 | Instantaneous Kinetic Study of Olefin Polymerization with TiCl4/EB/MgCl2(C2H5)3 Ihm, Son Ki, 7th Int. Symp. Relation Homo- and Heterogeneous Catalysis, 1992 |
| 24 | FMR Evidence of Metallic Iron in Y-Zeolite Reduced by Microwave Activated Hydrogen Atom Beam Ihm, Son Ki, 9th Intern. Zeolite Conference, 1992 |
| 25 | Correlation of HDS Activity with Heat of Adsorption over Carbon Supported CoMo Catalyst Ihm, Son Ki, 10th Int. Congr. Catal, 1992 |
| 26 | Analysis on Bimodal Pore Structure in Mercury Porosimetry Using Percolation Approach Ihm, Son Ki, 4th Intern. Conference on Fundamentals of Adsorption, 1992 |
| 27 | Metal Distribution Effect of Ni/Y-Zeolite Catalyst on CO hydrogenation Ihm, Son Ki, PACHEC '88, 1988 |
| 28 | Interpretation of the Tortuosity Factor for the Effective Diffusivity on a Single Catalyst Pellet with Random Pore Structure Ihm, Son Ki, Proceedings of the 3rd World Congress of Chem. Eng. Vol II, pp.499 -, 1986 |
| 29 | Reaktionstechrische Aspekte der Ionenaustauscherkatalyse Ihm, Son Ki, ACheMA, 1985 |
| 30 | Ethylene polymerization over Zirconocene catalysts supported on Al-MCM-41 Ihm, Son Ki, International Congress on Catalysis, 2001 |
