Citation
Huby, M., Cinderby, S., Crowe, A.M., Gillings, S., McClean, C.J., Moran, D., Owen, A. & White, P.C.L. 2006. The association of natural, social and economic factors with bird species richness in rural England. Journal of Agricultural Economics 57: 312. doi:10.1111/j.1477-9552.2006.00053.x