@inbook {Collins1994_92,
	title = {Compositional bias, character-state bias, and character-state reconstruction using parsimony},
	booktitle = {Systematic Biology},
	volume = {43},
	year = {1994},
	pages = {482{\textendash}496},
	author = {Collins, Timothy M. and Wimberger, Peter H. and Naylor, Gavin J. P.}
}
