1. Den kemiska lövbekämpningens ekologiska effekter;Ahlén;Sver. Nat.,1970
2. A long-term ecological study of game food and cover on a sprayed utility right-of-way;Bramble;Res. Bull. Indiana agric. exp. Stn,1972
3. Vergleichende Untersuchungen über die Laufkäferbesiedlung (Coleoptera, Carabidae) einiger norddeutscher Waldbestände und angrenzender Kahlschlagflächen;Broen;Dt. ent. Z.,1965
4. Spider ecology and habitat structure (Arach., Araneae);Duffey;Senckenberg. biol.,1966
5. On the determination of the size and composition of a passerine bird population during the breeding season. A methodological study;Enemar;Vår Fågelvärld,1959