Invertibility of Quantum-Mechanical Control Systems. - C. K. Ong; Garng C. Huang; Tzyh Jong Tarn; John W. Clark (Math. Syst. Theory, 1984)

Quantum Nondemolition Filters. - John W. Clark; C. K. Ong; Tzyh Jong Tarn; Garng C. Huang (Math. Syst. Theory, 1985)

Low-cost A/D and D/A interface card for the Apple II microcomputer. - K. H. Oh; A. K. Tan; C. K. Ong (Microprocess. Microsystems, 1987)

Cavity perturbation technique for the measurement of permittivity tensor of uniaxially anisotropic dielectrics. - Linfeng Chen; C. K. Ong; B. T. G. Tan (IEEE Trans. Instrum. Meas., 1999)

Amendment of cavity perturbation method for permittivity measurement of extremely low-loss dielectrics. - Linfeng Chen; C. K. Ong; B. T. G. Tan (IEEE Trans. Instrum. Meas., 1999)