@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} }