1. The effect of fires on temperate forests: north central United States;Ahlgren,1974
2. Fire and man in postglacial woodlands;Bennett;J. Archaeol. Sci.,1990
3. Pollen analysis and pollen diagrams;Berglund,1986
4. Harold's Bog, East Bilsdale Moor;Blackford,1999
5. Fire as a natural process in forests;Chandler,1983