1. Der Forstschutz—Objekte, Probleme, Strategien;Holdenrieder;Schweiz. Z. Forstwes.,1991
2. Forest health: Moving beyond rhetoric to restore healthy landscapes in the inland Northwest;DellaSala;Wildl. Soc. Bull.,1995
3. Forest Health and Protection;Edmonds,2000
4. Boreal forest health and global change
5. Increasing human dominance of tropical forests