1. Aubain, P., Gazzo, A., Moux, J.L., Mugnier, E., Brunet, H., Landrea, B., 2002. Disposal and Recycling Routes for Sewage Sludge. European Commission DG Environment Œ B/2)
2. Chen, Y., Chefez, B., Adani, F., Genevini, P., Hadar, Y., 1997. Organic matter transformation during composting of municipal solid waste. In: Drozd, J., Gonet, S.S., Senesi, N., Weber, J. (Eds.). Proceedings of the 8th Meeting of the IHSS: The Role of Humic Substances in the Ecosystems and in Environmental Protection. Wrocław, Poland
3. Drozd, J., Jamroz, E., Licznar, M., Licznar, S.E., Weber, J., 1997. Organic matter transformation and humic indices of compost maturity stage during composting of municipal solid wastes. In: Drozd, J., Gonet, S.S., Senesi, N., Weber, J. (Eds.). Proceedings of the 8th Meeting of the IHSS: The Role of Humic Substances in the Ecosystems and in Environmental Protection. Wrocław, Poland
4. A multivariate approach to QSAR;Eriksson,1995
5. Sludge stabilization by composting: A Jordanian case study;Hassouneh;Bioprocess Engineering,1998