1. Ahti T, Hämet-Ahti L, Jalas J (1968) Vegetation zones and their sections in northwestern Europe. Ann Bot Fenn 5:169–175
2. Anonymous (1992) Sveriges Nationalatlas, Jordbruket. In: Clason Å, Granström B (eds) Bokförlaget Bra Böcker, Höganäs, ISBN 91-87760-11-8
3. Cattadori IM, Haydon DT, Thirgood SJ, Hudson PJ (2003) Are indirect measures of abundance a useful index of population density? The case of red grouse harvesting. Oikos 100:439–446
4. Chapman JA, Flux JES (eds) (1990) Rabbits, hares and pikas. Status survey and conservation action plan. IUCN/SSC Lagomorph specialist group, Gland, Switzerland, ISBN 2-8317-0019-1
5. Chapuis JL (1990) Comparison of the diets of two sympatric lagomorphs, Lepus europaeus (Pallas) and Oryctolagus cuniculus (L.) in an agroecosystem of the Ile-de-France. Z Säugetierkunde 55:176–185