@article {138,
	title = {Weighting, partitioning, and combining characters in phylogenetic analysis},
	journal = {Systematic Biology},
	volume = {43},
	number = {2},
	year = {1994},
	pages = {278-287},
	keywords = {Combining Data},
	author = {Chippindale, P.T. and J.T. Wiens}
}
