@booklet {Dyreson2004b,
	title = {Rhetenor package for morphometrics, version 1.02},
	year = {2004},
	author = {Dyreson, E. and Maddison, W.P.}
}
@inbook {Maddison1997_325,
	title = {Gene Trees in Species Trees},
	booktitle = {Systematic Biology},
	volume = {46},
	year = {1997},
	pages = {523{\textendash}536},
	author = {Maddison, W.P.}
}
@booklet {Maddison2004,
	title = {Mesquite: {A} modular system for evolutionary analysis, version 1.02},
	year = {2004},
	author = {Maddison, W.P. and Maddison, D.R.}
}
