1. Andreasen C, Strynth H, Streibig JC (1996) Decline of the flora in Danish arable fields. J Appl Ecol 33:619–626
2. Bain C, Busch L (2004) Standards and Strategies in the Michigan Blueberry Industry. Michigan Agricultural Experiment Station Report 585, Michigan State University, East Lasing, MI
3. Baldock D (1990) Agriculture and habitat loss in Europe. CAP Discussion Paper. Gland, Switzerland
4. Biesiot W, Moll HC (1995) Reduction of CO2 emissions by lifestyle changes. NRP Program Office, Bilthoven
5. Bowler IR (1985) Agriculture under the Common Agricultural Policy: a geography. Manchester University Press, Manchester