@article {7820,
	title = {Dynamic homology and the likelihood criterion},
	journal = {Cladistics},
	volume = {22},
	year = {2006},
	note = {PDF},
	pages = {157-170},
	keywords = {homology, ML, phylogenetics, poy},
	author = {Wheeler, Ward C.}
}
@article {7823,
	title = {Partition-free congruence analysis: implications for sensitivity analysis},
	journal = {Cladistics},
	volume = {22},
	year = {2006},
	note = {PDF},
	pages = {256-263},
	keywords = {combined data analyses, molecular characters, phylogenetics, sensitivity, total evidence},
	author = {Wheeler, Ward C. and Ram{\'\i}rez, Mart{\'\i}n J. and Aagesen, Lone and Schulmeister, Susanne}
}
