1. , , and , ‘Anti-Wear Properties of Engine Oils - Effects of Oil Additive on Valve Train Wear’, SAE Paper 770635 (1977).
2. ‘Present Status of Japanese Motor Oils and Extension of Oil Drain Intervals’, SAE Paper 780953 (1978).
3. ‘Interactions Among Oil Additive and Engine Operating Parameters Affecting Engine Deposits and Wear’, SAE Paper 720686 (1972).
4. and , ‘Cam and Lifter Wear as Affected by Engine Oil ZDP Concentration and Type’, SAE Paper 770087 (1977).
5. Interactions Between a Zinc Dialkylphosphorodithioate and Lubricating Oil Dispersants