History of Tribology in Ancient Northeast Asia - The Japanese Sledge and the Chinese Chariot - 論文 Yorikazu SHIMOTSUMA・Masanori Ogata・Takeshi Nakatsuji・Yasumi OZAWA ·2011-01-01 ·『Tribology online』 6(3) pp. 174-179 doi:10.2474/trol.6.174