1. The role of ancient woodlands in conserving undisturbed soils in Britain;Ball;Biological Conservation,1981
2. Physical and chemical aspects of the stability of soil aggregates;Bolt,1972
3. Use of Saran resin to coat natural soil clods for bulk-density and water-retention measurements;Brasher;Soil Science,1966
4. Coulter LS200 Product Manual;Coulter Corporation,1992
5. Fire's Effects on Ecosystems;DeBano,1998