1. Allen, D.C., 1987. Insects, declines, and general health of northern hardwoods: issues relevant to good forest management. In: Nyland, R.D. (Ed.), Managing Northern Hardwoods. Proc. Silvi. Symp., SUNY Coll. Environ. Sci. For., Syracuse, NY, 23–25 June 1986. SUNY-ESF Fac. For. Misc. Publ. 13 (ESF 87-002), pp. 252–285.
2. Anselin, L., 2003. GeoDa 0.9 User's Guide. Spatial Analysis Laboratory, University of Illinois, Urbana-Champaign, IL. 126 pp.
3. Controlling spatial structure of forested landscapes: a case study towards landscape management;Baskent;Landscape Ecology,1999
4. Batzer, H.O., Morris, R.C., 1978. Forest tent caterpillar. USDA For. Serv. Northern Area State & Private Forestry. Forest Insect & Disease Leaflet 9. Available from www.na.fs.fed.us/spfo/pubs/fidls/ftc/tentcat.htm (accessed 12.12.06).
5. Brinkman, K.A., Roe, E.I., 1975. Quaking aspen: silvics and management in the Lake States. USDA For. Serv. Agriculture Handbook, p. 486.