1. Wai, O. W. H., Xiong, Y. S., O'Neil, S. and Bedford, K. (2001). "Parameter estimation for suspended sediment transport processes under random waves." Science of the Total Environment, Vol. 266 (1-3), pp. 49-59.

2. Li, X. D., Shen, Z. G., Wai, O. W. H. and Li, Y. S. (2000). "Chemical forms of Pb, Zn and Cu in the sediment profiles of the Pearl River estuary." Marine Pollution Bulletin, Vol. 42(3), pp. 215-223.

3. Poon, C. S., Chen, Z. Q. and Wai, O. W. H. (2000). "The effect of flow-through leaching on the diffusivity of heavy metals in stabilised/solidified wastes." Journal of Hazardous Materials, Vol. 81 (1-2), pp. 179-192.

4. Wai, O. and Lu, Q. (2000). “An Efficient Parallel Model for Coastal Transport Process Simulation.” Advances in Water Resources, Vol. 23(7), pp. 747-764.

5. Li, X. D., Wai, O. W. H., Li, Y. S., Coles, B. J., Ramsey, M. H. and Thornton, I. (2000). “Heavy Metal Distribution in Sediment Profiles of the Pearl River Estuary, South China.” Applied Geochemistry, Vol. 15, pp. 567-581.

6. Xu, Y. X., Liu, S. X., Li, Y. S. and Wai, O. (2000). “Refraction and diffraction of random waves through breakwater.” Ocean Engineering, Vol. 27, pp. 489 – 509.

7. Wai, O. and Lu, Q. (1999). “Gradient-Adaptive-Sigma (GAS) Grid for 3D Mass Transport Modeling.” Journal of Hydraulic Engineering, ASCE, Vol. 125(2), pp. 141-151.

8. Chen, Y., Wai, O., Y. S., Li and Lu, Q. (1999). “Three-Dimensional Numerical Modeling of Cohesive Sediment Transport by Tidal Current in Pearl River Estuary.” International Journal of Sediment Research, Vol. 14(2), pp. 107-123.

9. Poon, C. S., Chen, Z. Q. and Wai, O. (1999). “A Flow-through Leaching Model for Monolithic Chemically Stabilizied/Solidified Hazardous Waste.” Journal of the Air & Waste Management Association, Vol. 49, pp. 569-575.

10. Wai, O., Chen, Y. C., Lu, Q., and Li, Y. S. (1998). “A Multi-Layer Finite Element Formulation for Suspended Sediment Transport in Tidal Flows.” International Journal of Computational Fluid Dynamics, Gordon and Breach Science Pub., Vol. 9, pp. 137-149.

11. Lu, Q. and Wai, O. (1998). "Three-Dimensional Coastal Hydrodynamic Computations with An Efficient Splitting Method." International Journal of Numerical Methods in Fluids, Vol. 26, pp. 771-789.

12. Wai, O., Wang, Z. B. and Winterwerp, J. C. (1996). "Tidally Induced Hydrodynamic Patterns in the Pearl River Delta." Proceedings of the 2nd International Conference on Hydrodynamics, pp. 709-714.

13. Wai, O., Lu, Q., and Li, Y. S. (1996). "Multi-Layer Modeling of Three-Dimensional Hydrodynamic Transport Processes." Journal of Hydraulic Research, IAHR, Vol. 5, pp. 677-693.

14. Wai, O. and Bedford, K. (1995). "Empirical Orthogonal Function Analysis of Sediment Concentration Profiles Subjected to Waves and Currents." Marine and Freshwater Research, Vol. 46, pp. 373-382.

15. Wai, O., Bedford, K. and O'Neil, S. (1994). "Principal Components Time Spectra Of Suspended Sediment In Random Waves." Coastal Dynamics '94, eds. A. S. Arcilla, M. J. F. Stive, and N. C. Kraus, ASCE, pp. 296-305.

16. Wai, O., Bedford, K. and Abdelrhman, M. (1993). "Long Term Structural Variations in Suspended Sediment Profiles." In: The Nearshore and Estuarine Cohesive Sediment Dynamics, ed. Ashish J. Mehta, American Geophysical Union, pp. 92‑107.

17. Wai, O., Bedford, K., Libicki, C. and Van Evra III, R. (1991). "The Structural Evolution of a Wave‑Current Sediment Concentration Boundary Layer." Coastal Sediment 91, ed. N. C. Kraus, ASCE, pp. 342‑355.

18. Bedford, K., Wai, O., Van Evra III, R., Velissariou, P., Lee, J. K. and Libicki, C. (1990). "The Local Near‑Bottom Response Of A Dredged Material Placement Site To Wind And Tide Effects." Project Completion Report, U.S. Army Corps of Engineers, Coastal Engineering Research Center, Vicksburg, MS, Sept., 129 pgs.

19. Bedford, K., Libicki, C., Wai, O., Abdelrhman, M. and Van Evra III, R. (1988). "The Structure Of A Bottom Sediment Boundary Layer In Central Long Island Sound," In: Physical Processes in Estuaries, eds. J. Dronkers and W. van Leussen, Springer Verlag, pp. 446‑462.

20. Bedford, K., Wai, O, Libicki, C. and Van Evra III, R. (1987). "Sediment Entrainment and Deposition Measurements In Long Island Sound." Journal of Hydraulic Engineering, ASCE, Vol. 113, No. 10, pp. 1325‑1342.