Public Works Research Institute, Ministry of Constructioin\nPublic Works Research Institute, Ministry of Land, Infrastructure and Transport. (2019). Doboku Kenkyujo Iho. Ministry of Construction, Public Works Research Institute.
Chicago-referens (17:e uppl.)Public Works Research Institute, Ministry of Constructioin\nPublic Works Research Institute, Ministry of Land, Infrastructure and Transport. Doboku Kenkyujo Iho. Tsukuba, Japão: Ministry of Construction, Public Works Research Institute, 2019.
MLA-referens (8:e uppl.)Public Works Research Institute, Ministry of Constructioin\nPublic Works Research Institute, Ministry of Land, Infrastructure and Transport. Doboku Kenkyujo Iho. Ministry of Construction, Public Works Research Institute, 2019.
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