@inbook {3864,
	title = {Problems in the determination of evolutionary directionality of character state change for phylogenetic reconstruction (Chapter 5)},
	booktitle = {Cladistics: Perspectives on the reconstruction of evolutionary history},
	year = {1984},
	pages = {71-87},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {CHARACTER POLARITY, CLADISTICS, HISTORY},
	author = {Stuessy, Tod F. and Crisci, J. V.},
	editor = {Duncan, Thomas and Stuessy, Tod}
}
