National Research Council. Highway Research Board. (1962). Moisture, density, swelling and swell pressure relationships, presented at the 40th annual meeting, Jan. 9-13, 1961. National Academy of Sciences - National Research Council.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Research Council. Highway Research Board. Moisture, Density, Swelling and Swell Pressure Relationships, Presented at the 40th Annual Meeting, Jan. 9-13, 1961. Washington, D.C.: National Academy of Sciences - National Research Council, 1962.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Research Council. Highway Research Board. Moisture, Density, Swelling and Swell Pressure Relationships, Presented at the 40th Annual Meeting, Jan. 9-13, 1961. National Academy of Sciences - National Research Council, 1962.
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