1. Biochar application to soils: a critical scientific review of effects on soil properties, processes and functions;Verheijen,2010
2. Biochar sequestration in terrestrial ecosystems – a review;Lehmann;Mitigation and Adaptation Strategies for Global Change,2006
3. Biochar potential for soil improvement and soil fertility;Quayle,2010
4. Bio-energy in the black;Lehmann;Frontiers in Ecology and the Environment,2007
5. Physical properties of biochar;Downie,2009