@article {7454,
	title = {Plus {\c c}a change - a model for stasis and evolution in different environments},
	journal = {Palaeogeography, Palaeoclimatology, Palaeoecology},
	volume = {127},
	year = {1996},
	note = {PDF},
	pages = {209-227},
	keywords = {paleoecology, stasis},
	author = {Sheldon, Peter R.}
}
