1. M.G. Robinson, in: Proceedings of D & E Conference on Landfill Gas: Energy & the Environment, Bournemouth, 1990, pp. 551–572.
2. A Catalytic/Sorption Hybrid Process for Landfill Gas Cleanup
3. J.T. Haughton, G.J. Jenkins, J.J. Ephraums, Climate Change, The IPPC Scientific Assessment, Cambridge University Press, Cambridge, 1992.
4. J.-Y. Ren, W. Qin, F.N. Egolfopoulos, H. Mak, T.T. Tsotsis, Chem. Eng. Sci., 2000, in press.