1. Discussion of “Permeability Behavior of a Water Treatment Sludge” by M. C. Wang and W. Tseng
2. BSI. 1990a. Methods of test for soils for civil engineering purposes. Part I: General requirements and sample preparation. British standard 1377-1. British Standards Institution, London.
3. BSI. 1990b. Methods of test for soils for civil engineering purposes. Part 2: Classification tests. British standard 1377-2. British Standards Institution, London.
4. BSI. 1990c. Methods of test for soils for civil engineering purposes. Part 5: Compressibility, permeability and durability tests. British stantard 1377-5. British Standards Institution, London.
5. BSI. 1990d. Methods of test for soils for civil engineering purposes. Part 7: Shear strength tests (total stress). British standard 1377-7. British Standards Institution, London.