"Masabumi Masuko,Shigeru Iijima,Takahiro Terawaki,Akihito Suzuki,Saiko Aoki,Takashi Nogi,Shingo Obara","Effect of Surface Oxide Layer of Steel on the Tribological Characteristics of Load-bearing Additives for Multiply-Alkylated Cyclopentane Oil under High Vacuum",,"Tribology Letters","Springer","Vol. 51","No. 1","pp. 115-125",2013,Jan.