1. Gijutsu no Tomo (the magazine for engineers of the Toyota Motor Corporation - in Japanese), 24, No. 1
2. Martine F.A. Friction in internal combustion engines. I. Mech. E. Paper C67/85
3. Nissan Motor Company's new 2.6 Liter four-cylinder gasoline engine;Hisatomi;SAE Trans.,1982
4. Reducing friction losses in automobile engines;Hoshi;Tribology International,1984
5. Engine friction reduction for improved fuel economy;Novach;SAE Trans.,1982