Water in roads : methods for determining soil moisture content and pore water tension : a report / prepared by an OCED initiated road research group, December, 1973. - 63 pages : illustrations ; 27 cm - Road research . Includes bibliographical references. ISBN: 9264111557 LCCN: 74193558 Nat. Bib. No.: F*** Subjects--Topical Terms: Soil moisture--MeasurementSoil matric potential--MeasurementRoads--Subgrades--Testing LC Class. No.: TE208 / .O74w 1973