Wan Zuhairi Wan Yaacob An investigation of the attenuation characteristics of natural clay soils in South Wales and potential use as engineered clay liner / Wan Zuhairi Wan Yaacob - Wales : Cardiff University, 2000 - xvi, 343 p. : ill. ; 30 cm. Thesis (M Sc) - Cardiff University, 2000 References : p. 260 -276 Subjects--Topical Terms: Clay soilsClay wastes