@article {36415,
	title = {Geochemical and isotopic anomalies associated with the Frasnian-Famennian extinction},
	volume = {2},
	year = {1989},
	pages = {51-72},
	publisher = {Historical Biology},
	author = {Goodfellow, W. D. and Geldsetzer, H. and McLaren, D. J. and Orchard, M. J. and Klapper, G.}
}
