@article {6772,
	title = {An evaluation of stabilizing selection as a mechanism for stasis},
	journal = {Palaeogeography, Palaeoclimatology, Palaeoecology},
	volume = {127},
	year = {1996},
	note = {PDF},
	pages = {229-238},
	keywords = {selection, stasis},
	author = {Lieberman, Bruce S. and Dudgeon, Steve}
}
