Raja Hamzah, R. I., Al-Balushi, K. R., & Mba, D. U. (2008). Observations of acoustic emission under conditions of varying specific film thickness for meshing spur and helical gears. American Society of Mechanical Engineers.

Raja Hamzah, Raja Ishak, Khamis R. Al-Balushi, and David U. Mba. Observations of Acoustic Emission Under Conditions of Varying Specific Film Thickness for Meshing Spur and Helical Gears. American Society of Mechanical Engineers, 2008.

Raja Hamzah, Raja Ishak, Khamis R. Al-Balushi, and David U. Mba. Observations of Acoustic Emission Under Conditions of Varying Specific Film Thickness for Meshing Spur and Helical Gears. American Society of Mechanical Engineers, 2008.