APA

Hotta H., Suyama K., International Gas Union I., World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), Suyama K. & International Gas Union I.Inspection tools with high reliability for the safety of trunk lines including tight bends. : .

Chicago

Hotta Hisao, Suyama K, International Gas Union IGU, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), Suyama K and International Gas Union IGU.Inspection tools with high reliability for the safety of trunk lines including tight bends. : .

Harvard

Hotta H., Suyama K., International Gas Union I., World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), Suyama K. and International Gas Union I.Inspection tools with high reliability for the safety of trunk lines including tight bends. : .

MLA

Hotta Hisao, Suyama K, International Gas Union IGU, World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo), Suyama K and International Gas Union IGU.: . .