National Research Council (U.S.). Highway Research Board. (1952). Load capacity of roads affected by frost: Presented at the 31st annual meeting, January, 1952. The Board.
Chicagoスタイル(17版)引用形式National Research Council (U.S.). Highway Research Board. Load Capacity of Roads Affected by Frost: Presented at the 31st Annual Meeting, January, 1952. Washington, D.C: The Board, 1952.
MLA(9版)引用形式National Research Council (U.S.). Highway Research Board. Load Capacity of Roads Affected by Frost: Presented at the 31st Annual Meeting, January, 1952. The Board, 1952.
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