@article {Yeates1997,
	title = {Faunal and microbial diversity in three {Welsh} grassland soils under conventional and organic management regimes},
	journal = {Journal of Applied Ecology},
	volume = {34},
	number = {2},
	year = {1997},
	pages = {453{\textendash}470},
	author = {Yeates, G. W. and Bardgett, R.D. and Cook, R. and Hobbs, P.J. and Bowling, P.J. and Potter, J.F.}
}
