1. Biodiversity and sustainable forestry in European forests: how East and West can learn from each other;Angelstam;Wildlife Society Bulletin,1997
2. Arpi G (ed.) (1959) Sveriges skogar under 100 år. Kungliga Domänstyrelsen, Ivar Hæggströms AB, Stockholm. In Swedish
3. Boreal forests;Esseen;Ecological Bulletins,1997
4. National Atlas of Sweden, Geology,1994
5. The concept of nested species assemblages and its utility for understanding effects of habitat fragmentation;Ganzhorn;Basic and Applied Ecology,2001