Citation
Rehfisch, M.M., Holloway, S.J., Yates, M.G., Clarke, R.T., Austin, G., Clark, N.A., Durell, S.E.A. le V. dit, Eastwood, J.A., Goss-Custard, J.D., Swetnam, R.D. & West, J.R. 1997. Predicting the effect of habitat change on waterfowl communities: a novel empirical approach. HMSO, London