Subgrade moisture : soil properties, foundations, tunnel reinforcement. - Washington, D.C. : Transportation Research Board, National Research Council, National Academy of Sciences, 1983. - iv, 58 p. : ill. ; 28 cm. ISBN: 0309036666 (pbk.) : Subjects--Topical Terms: MCEPavements--Subgrades. Dewey Class. No.: 625.73 / NAT