@article {507,
	title = {Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification},
	journal = {Biological Conservation},
	volume = {53},
	year = {1990},
	pages = {1-20},
	author = {Beebee, T.J.C. and Flower, R.J. and Stevenson, A.C. and Patrick, S.T. and Appleby, P.G. and Fletcher, C. and Marsh, C. and Natkanski, J. and Rippey, B. and Batterby, R.}
}
