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.

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.

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.