Ueura, K; Kiyosawa, Y; Kurogi, J; Kanai, S; Miyaba, H; Maniwa, K; Suzuki, M; Obara, S (2008). "Tribological aspects of a strain wave gearing system with specific reference to its space application". Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 222 (8): 1051–1061. doi:10.1243/13506501JET415. ISSN1350-6501. S2CID108896120.
Ueura, K; Kiyosawa, Y; Kurogi, J; Kanai, S; Miyaba, H; Maniwa, K; Suzuki, M; Obara, S (2008). "Tribological aspects of a strain wave gearing system with specific reference to its space application". Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 222 (8): 1051–1061. doi:10.1243/13506501JET415. ISSN1350-6501. S2CID108896120.
Ueura, K; Kiyosawa, Y; Kurogi, J; Kanai, S; Miyaba, H; Maniwa, K; Suzuki, M; Obara, S (2008). "Tribological aspects of a strain wave gearing system with specific reference to its space application". Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology. 222 (8): 1051–1061. doi:10.1243/13506501JET415. ISSN1350-6501. S2CID108896120.