@inbook {585981,
	title = {Developmental characters in phylogenetic inference: a test case using amphibians},
	booktitle = {Trends in Vertebrate Morphology},
	volume = {35},
	year = {1989},
	pages = {174-179},
	publisher = {Fortsch. Zool.},
	organization = {Fortsch. Zool.},
	author = {Hanken, J.},
	editor = {Splechtna, H. and Hilgers, H.}
}
