1. Al-Yousfi, A.B., 1992. Modeling of Leachate and Gas Production and Composition at Sanitary Landfills. Ph.D. Thesis, University of Pittsburgh.
2. Modeling landfill methane generation;Augenstein,1991
3. Beaven, R., Knox, K., Croft, B., 2001. Operation of leachate recirculation trial in a landfill test cell. In: Christensen, T.H., Cossu, R., Stegmann, R. (Eds.), Sardinia 2001, Eighth International Waste Management and Landfill Symposium, Cagliari Sardinia, pp. 595–604.
4. Long-term behaviour of municipal solid waste landfills;Belevi;Waste Management and Research,1989
5. Bendz, D., 1998. Generation of leachate and the flow regime in landfills. AFR-report 191, Lund, 27 s. pp.