Citation
Davey, C., Vickery, J., Boatman, N., Chamberlain, D., Parry, H. & Siriwardena, G. 2010. Assessing the impact of Environmental Stewardship on lowland farmland birds in England. Aspects of Applied Biology 100: 58. doi:10.1111/j.1474-919X.2009.01001.x
