@inbook {301,
	title = {Morphological characters and homology},
	booktitle = {Problems of Phylogenetic Reconstruction},
	year = {1982},
	pages = {21-74},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London, England},
	keywords = {morphology, systematics},
	author = {Patterson, C.},
	editor = {Joysey, K.A and A.E. Friday}
}
