1. Principles of Geotechnical Engineering;Das,1985
2. Sludge management at the Middlesex County Utilities Authority;Jacobs;Water Sci. Technol.,1990
3. Study on utilization of solidified sewage sludge as landfill cover;Kim;J. Environ. Hi-Technol. (in Korea),1999
4. A feasibility study on the use of lime-stabilized sludge and fly ash mixture as a landfill cover;Kim;J. Korean Solid Wastes Eng. Soc. (in Korea),1995
5. Municipal Sewage Sludge Management: Processing, Utilization and Disposal;Lue-Hing,1992