@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}
}
@article {3091,
	title = {The necessity of convex groups in bioliogical classifocation},
	journal = {Systematic Botany},
	volume = {12},
	year = {1987},
	pages = {78-90},
	keywords = {CLADISTICS},
	author = {Meacham, Christopher A. and Duncan, Thomas}
}
@article {2146,
	title = {Cladistics for the practising taxonomist - an eclectic view},
	journal = {Systematic Botany},
	volume = {5},
	year = {1980},
	pages = {136-148},
	keywords = {CLADISTICS},
	author = {Duncan, Thomas}
}
@book {2147,
	title = {Cladistic Theory and Methodology},
	year = {1985},
	pages = {399},
	publisher = {van Nostrand Reinhold Company},
	organization = {van Nostrand Reinhold Company},
	address = {New York},
	keywords = {CLADISTICS},
	author = {Duncan, Thomas and Stuessy, Tod F.}
}
@article {1717,
	title = {Panel Discussion},
	journal = {Systematic Botany},
	volume = {5},
	year = {1980},
	pages = {221-231},
	keywords = {CLADISTICS},
	author = {Burger, William and McNeill, John and Niklas, Karl and Thompson, William and Thorne, Robert and Stuessy, Tod and Meacham, Christopher and Wiley, Ed and Duncan, Thomas}
}
