Jacobsen, L.-B., Jensen, J. D., Hauch, J.
, Topping, C. J. & Martin, A. (2008).
Pesticide reducing instruments - an interdisciplinary analysis of effectiveness and optimality. In J. Milne, K. Deketelaere, L. Kreiser & H. Ashiabor (Eds.),
Critical Issues in Environmental Taxation: International and comparative perspectives (Vol. V, pp. 569-602). Oxford University Press.
Nielsen, L., Hald, A. B., Hoffmann, C. C., Olsen, H.
, Hald, A. B. (Ed.), Hoffmann, C. C. (Ed.) & Nielsen, L. (Ed.) (2003).
Perspektiver for drift af ferske enge. In
DJF rapport - Markbrug (pp. 183-190). Danmarks Jordbrugsforskning.